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Last verified 2026-10-19

Fund calendar 2026

Regulatory & reporting + investor tax·10 regulators·every row source-linked

A fund's year has two halves that no regulator or tax authority ever shows you together: the regulatory & reporting filings (Annex IV, ManCo accounts, registry confirmations, fees, ESG and investor reporting) and the investor tax cycle (K-1s, reporting-fund status, subscription tax, CRS/FATCA). Both are on this one page — switch between them with the tabs below. Filter by who it lands on, by domicile and by regulator; every row links to its own primary source.

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This is an archive. 2026 is a past year — for the deadlines coming up, see the live fund calendar.

Calendar year: 2027 · 2026. The upcoming year is the live calendar; past years are archived exactly as their own sources stated them.

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Who this calendar is for — the filer of record. Each deadline is tagged to the entity legally responsible for filing it, not the entity it is about. In day-to-day language this gets blurred: an administrator, engaged by the fund manager, prepares "the Annex IV for Fund V" using Fund V's data — but the obligation and the liability sit with the AIFM, not with Fund V and not with the administrator who does the keystrokes. So on this calendar Annex IV sits under the manager/AIFM, FATCA/CRS under the fund (the Reporting FI), economic substance under the manager/GP. Filter to the entity you file as, and the deadlines that are legally yours attach.

If you operate funds across more than one of these domiciles, no regulator gives you the combined picture — each publishes its own deadlines on its own site, in its own format. The tables below consolidate the recurring 2026 filing obligations per regulator, each row linked to the regulator's own page. Deadlines tied to a financial year end are shown for the common 31 December year end — if yours differs, shift them accordingly.

This page holds the dates. For the mechanics behind the biggest recurring row — how your Annex IV frequency is decided, what sits in the file, which portal each regulator uses and what bounces a first-time filing — see the Annex IV practical guide.

By regulator

ObligationWho it applies toDeadline / window (2026)Portal / how filedSource
AIFM reporting (Annex IV, Art. 3(3)(d) / 24) Registered and authorised AIFMs; frequency (quarterly / half-yearly / annual) set by AuM self-assessment 1 month after period end: 31 Jan (Q4-25 / H2-25 / annual 2025) · 30 Apr · 31 Jul · 31 Oct; +15 days where the AIF is a fund of funds (e.g. 15 Feb, 15 Aug) eDesk "AIFM Reporting" or S3 API CSSF AIFMD FAQ · Circular CSSF 23/844
U1.1 monthly financial information All Luxembourg UCIs — UCITS, Part II, SIFs, SICARs Within 10 calendar days of each month end eDesk or S3 API (XML only) CSSF — reporting by UCIs
G2.1 quarterly financial information Chapter 15/16 management companies and AIFMs Quarterly versions by the 20th of the month after quarter end; annual version 1 month after AGM approval e-file / SOFiE (ManCos); email to aifm_reporting@cssf.lu (AIFMs) CSSF — reporting by IFMs
SAQ, Separate Report & Management Letter (IFM level) All Luxembourg IFMs SAQ within 4 months of financial year end (30 Apr for Dec YE); SR / ML within 7 months (31 Jul) eDesk "Collective Investment Sector Reporting Tool" or S3 API CSSF — reporting by IFMs
SRRC — AML/CFT summary report of the RC All Luxembourg IFMs, including registered AIFMs Within 5 months of financial year end (31 May for Dec YE) eDesk "AML/CFT Summary report RC" or S3 API CSSF — reporting by IFMs
MMF reporting (Money Market Fund Regulation) Managers of Luxembourg MMFs (quarterly or annual, by AuM) Within 30 days of the end of the quarter / year e-file / SOFiE CSSF — reporting by UCIs
Commercial real-estate exposure data IFMs managing funds with CRE exposure Semi-annual: 20 May and 20 Oct eDesk or S3 API CSSF — reporting by IFMs

The year at a glance — cross-domicile quarter view

Dates below assume a 31 December financial year end and calendar-quarter Annex IV reporting. This view is generated from the same structured data that powers the homepage deadline strip, so the two cannot drift apart. Use the filters to slice by who it lands on, domicile (which then constrains the regulator list), obligation type or business.

QuarterDateWhat landsDomicile
Q115 JanCIMA annual fee — registered mutual / private fund sourceKY
31 JanDFSA Periodic Fund Return — H2 period (1 Jul–31 Dec) due by 31 January of the following year sourceDIFC
31 JanGFSC annual fees due sourceGG
31 JanAnnex IV annual / H2 / Q4 report to the national competent authority sourceLU · IE · UK
31 JanApproved / Incubator Fund annual return to the FSC sourceVG
31 JanFSRA Periodic Fund Return, Q4 (reporting date 31 December of the prior year) leg, for Public Funds and open-ended Exempt Funds, within 1 month of the reporting date sourceADGM
15 FebAnnex IV fund-of-funds 15-day extension expires (EU NCAs) sourceLU · IE
28 FebJersey registry annual confirmation statement + fee — hard portal cut-off 11:59 pm (window from 1 Jan) sourceJE
28 FebGuernsey Registry annual validation sourceGG
31 MarBMA annual fee (fund) sourceBM
31 MarBVI FSC annual renewal / licence fee sourceVG
Q21 AprFCA on-account fee (firms with ≥ £50k prior-year fees) sourceUK
7 AprJersey CPIS (IMF portfolio survey) submission via myJFSC sourceJE
16 AprAIFMD II applies — transposition deadline; LMT selection obligations start for new funds sourceLU · IE · UK · JE · GG
30 AprFSRA Annual AML Return (covers the preceding calendar year), via FSRA Connect sourceADGM
30 AprAnnex IV Q1 report to the national competent authority sourceLU · IE · UK
30 AprFSRA Periodic Fund Return, Q1 (reporting date 31 March) leg, for Public Funds and open-ended Exempt Funds, within 1 month of the reporting date sourceADGM
31 MayRegistrar annual company fee (incorporated Jan–Jun) sourceVG
30 JunFSRA Periodic Fund Return, H2 (reporting date 31 December of the prior year) leg, for closed-ended Exempt Funds, Qualified Investor Funds and Foreign Funds, within 6 months of the reporting date sourceADGM
30 JunEntity-level Principal Adverse Impact (PAI) statement published on the FMP's website by 30 June, covering the preceding calendar year. sourceEU
30 JunMutual Fund Annual Return (MFAR) to the FSC sourceVG
Q31 Jul (from)FCA annual fee invoices start issuing (payment by 1 Aug or +30 days for < £50k firms) sourceUK
31 JulDFSA Periodic Fund Return — H1 period (1 Jan–30 Jun) due by 31 July sourceDIFC
31 JulJersey Private Fund (JPF) annual compliance return to the JFSC (made up as at 30 June) sourceJE
31 JulAnnex IV Q2 / H1 report to the national competent authority sourceLU · IE · UK
31 JulFSRA Periodic Fund Return, Q2 (reporting date 30 June) leg, for Public Funds and open-ended Exempt Funds, within 1 month of the reporting date sourceADGM
1 AugFCA annual fee payment deadline (< £50k firms, unless invoiced later) sourceUK
30 SepDFSA Annual AML Return via the DFSA electronic portal (reporting period 1 Aug previous year – 31 Jul) sourceDIFC
Q431 OctAnnex IV Q3 (quarterly reporters) sourceLU · IE · UK
31 OctFSRA Periodic Fund Return, Q3 (reporting date 30 September) leg, for Public Funds and open-ended Exempt Funds, within 1 month of the reporting date sourceADGM
31 DecFSRA Periodic Fund Return, H1 (reporting date 30 June) leg, for closed-ended Exempt Funds, Qualified Investor Funds and Foreign Funds, within 6 months of the reporting date sourceADGM

Running all year — obligations set by a rule, not a fixed date

These have no single calendar date: each runs from the fund's own year end or an event. The obligation links to the page that explains it.

ObligationWhenJurisdictionSource
ADGM Authorised Person: notice to the FSRA immediately if its Auditor is terminated or resignsimmediately on termination, impending termination or resignation; appointment notice has no stated periodADGMsource
ADGM Fund Manager: notice to the FSRA immediately if the Fund's auditor is terminated or resignsimmediately on termination, impending termination or resignation; appointment notice has no stated periodADGMsource
ADGM fund annual report to Unitholders, sent to the FSRA — within 6 months of the annual accounting period endwithin 6 months of the annual accounting period (financial year) endADGMsource
ADGM fund interim report — within 3 months of the interim (half-year) accounting period end; QIFs exempt unless a material change occurredwithin 3 months of the interim accounting period endADGMsource
AIFMD annual report made available to investors within 6 months of financial year-end (Luxembourg AIFs).Annual report available within 6 months following the end of the financial year (Art. 22(1) AIFMD)LUsource
AIFMD annual report to investors within 6 months of financial year-end (Irish AIFs / QIAIFs).Annual report available within 6 months following the end of the financial year (Art. 22(1) AIFMD)IEsource
Annual accounts delivered to Companies House (private company: 9 months; public company: 6 months)private company: nine months after the end of the accounting reference period; public company: six monthsUKsource
Annual certification (registered funds) or compliance statement (authorised funds) to the BMA, with the financial statementswithin 6 months of financial year-endBMsource
Annual report and accounts submitted to the FCA (FIN-A) within 80 business days of the accounting reference datewithin 80 business days of the accounting reference dateUKsource
Annual report on Controllers to the DFSA (name + percentage holding of each Controller)within 4 months of the firm's financial year endDIFCsource
Annual report on Controllers to the FSRAwithin 4 months of the firm's financial year endADGMsource
Approved annual accounts filed with the Trade & Companies Register (RCS)within seven months of the financial year endLUsource
Article 8 (light-green) product periodic sustainability disclosure included in the fund's annual report.Rides on the fund's annual report (UCITS 4 months, AIFMD 6 months after financial year-end)EUsource
Article 9 (dark-green) product periodic sustainability disclosure included in the fund's annual report.Rides on the fund's annual report (UCITS 4 months, AIFMD 6 months after financial year-end)EUsource
Audited financial statements to CIMA via REEFS (local auditor files; operator responsible)within six months of the fund's financial year endKYsource
Audited financial statements to the FSC — professional & private fundswithin 6 months of financial year-endVGsource
Auditor's reports of the Authorised Firm (incl. annual financial statements auditor's report) filed with the DFSAwithin 4 months of the firm's financial year end (Branch: if later, within 14 days of the head-office filing date)DIFCsource
Auditor's reports of the Authorised Person filed with the FSRAwithin 4 months of the firm's financial year endADGMsource
BE-13 — Survey of New Foreign Direct Investment in the United Statesno later than 45 calendar days after the acquisition is completed, the new U.S. business enterprise is established, the expansion is begun, the cost update is requested, or a BEA notification letter is receivedUSsource
BVI fund or relevant licensee: notice to the FSC within 14 days of an auditor's appointment or departurewithin 14 days after the auditor is appointed or ceases to hold officeVGsource
BVI fund: application to the FSC for exemption from submitting audited financial statementswithin 6 months after the financial year endVGsource
BVI investment business licensee: audited financial statements to the FSC within 6 monthswithin 6 months of the end of the financial yearVGsource
BVI licensed fund manager, administrator or investment advisor: 14 days' written notice to the FSC before appointing an auditorat least 14 days before the appointment, counted from the FSC's receipt of the noticeVGsource
BVI licensee: auditor's management report and management's response to the FSC within 6 monthswithin 6 months after the end of the licensee's financial year, or within any extension grantedVGsource
BVI private investment fund: audited financial statements to the FSC within 6 monthswithin 6 months after the financial year endVGsource
BVI public fund that conducted business in the year: application to the FSC for exemption from submitting audited financial statementswithin 3 months after the financial year endVGsource
BVI public fund: audited financial statements, director's certificate and auditor's report to the FSC within 6 monthswithin 6 months of the end of the financial yearVGsource
Bermuda Professional Class B fund: BMA approval before appointing the fund's auditorbefore the appointment: the BMA's written approval; no number of days is statedBMsource
Bermuda investment provider: financial statements to the BMA within four months, plus the auditor's report on audited statementsnot later than four months after the close of the financial yearBMsource
Bermuda investment provider: notice to the BMA forthwith of a proposal to remove or replace its auditorforthwith, when the removal or replacement is proposedBMsource
Bermuda investment provider: written notice to the BMA of an audit qualification within five dayswithin five days of receipt of the qualificationBMsource
CRO annual return (Form B1) with statutory financial statements annexednot later than 56 days after the company's annual return date; the annexed financial statements may be made up to a date not more than 9 months before that dateIEsource
CSSF SIAG reporting (tables SIAG 1A, SIAG 1B, Employees) for self-managed SIAGs and FIAAGsBy the 20th of the month after each quarter-end; final tables one month after the annual general meetingLUsource
CSSF SRRC — AML/CFT summary report of the RC, within 5 months of the financial year-endwithin five months after the end of the financial year (CSSF Regulation 12-02 art. 42(7); Circular CSSF 24/854 s. 3)LUsource
Cayman regulated mutual fund: audit filing extension request to CIMA on or before the six-month deadlineon or before the day the six-month audit filing deadline expires; one-month extensions, up to threeKYsource
Cayman securities investment business licensee: CIMA prior written approval before changing auditorbefore the change: CIMA's prior written approval; no number of days is statedKYsource
Cayman securities investment business licensee: audited accounts and certificate of compliance to CIMA within six monthswithin six months of the end of the licensee's financial yearKYsource
Client assets (CASS) audit report delivered by the firm's auditor to the FCA within four monthswithin four months from the end of each period coveredUKsource
Confirmation statement to Companies Housewithin 14 days after the end of each review period (12 months from incorporation, then each later 12 months)UKsource
Custody rule surprise examination: the accountant files Form ADV-E with the SEC within 120 days of the examinationwithin 120 days of the examination date the accountant choosesUSsource
Custody rule surprise-examination accountant leaves the engagement: Form ADV-E and statement within four business dayswithin four business days of the resignation, dismissal, removal or other terminationUSsource
DFSA prudential annual return via EPRS within 4 months of the financial year endwithin 4 months of the financial year end (PIB 2.3.8(1))DIFCsource
DFSA prudential quarterly and other returns via EPRS within 1 month of the reporting period endwithin 1 month of the end of the reporting period (PIB 2.3.8(2))DIFCsource
DIFC Authorised Person: notice to the DFSA immediately if its Auditor is terminated or resignsimmediately on termination, impending termination or resignation; appointment notice has no stated periodDIFCsource
DIFC Fund Manager: notice to the DFSA immediately if the Fund's Registered Auditor is terminated or resignsimmediately on termination, impending termination or resignation; appointment notice has no stated periodDIFCsource
DIFC fund annual report (audited financial statements + Fund Auditor's Report) to Unitholders, sent to the DFSA — within 4 months of the annual accounting period endwithin 4 months of the annual accounting period (financial year) endDIFCsource
DIFC fund interim report — within 2 months of the interim (half-year) accounting period end; QIFs exempt unless a material change occurredwithin 2 months of the interim accounting period endDIFCsource
EU AIFM: audited annual report of each AIF made available to the competent authorities within 6 months of the financial year endno later than 6 months following the end of the AIF's financial year (Art. 22(1) AIFMD)EUsource
EU Taxonomy alignment disclosure for SFDR Art. 8/9 products in the fund's periodic (annual) report.Rides on the SFDR periodic (annual) report (UCITS 4 months, AIFMD 6 months after financial year-end)EUsource
Economic Substance report to the ITAwithin 6 months of the end of the entity's financial periodVGsource
Economic Substance return — fund-management business (managers/GP; funds file notification only)within twelve months after the last day of the end of each financial yearKYsource
FCA-authorised firm: notice to the FCA of an auditor vacancy and of the new auditor's appointmentwithout delay once the firm knows a vacancy will arise or has arisen; the FCA may appoint an auditor if none is appointed within 28 days of the vacancyUKsource
Form ADV annual updating amendment — all Parts 1 & 2 updatedwithin 90 days of the adviser's fiscal year endUSsource
Form D — notice of an exempt offering of securitieswithin 15 calendar days of the first sale (the next business day if that day is a weekend or holiday)USsource
Form N-CEN annual census reportwithin 75 days of the fund's fiscal year endUSsource
Form PF annual update — private fund reportingwithin 120 days of the adviser's fiscal year endUSsource
Fund Annual Return (FAR) to CIMAwithin six months of the fund's financial year endKYsource
Guernsey AIFM under the AIFMD Rules: annual report of each EU AIF to the GFSC within six monthsno later than six months following the end of each financial yearGGsource
Guernsey Class A open-ended fund: annual report made available and published within four months of the period endwithin four months after the end of each annual accounting periodGGsource
Guernsey Class A open-ended fund: half-yearly report made available and published within two months of the half-year endwithin two months after the end of each half-yearly accounting periodGGsource
Guernsey Class B open-ended fund: annual report published, and a copy sent to the GFSC, within six months of the period endwithin six months after the end of the annual accounting periodGGsource
Guernsey Class Q qualifying professional investor fund: annual report and financial statements published within six months of the period endwithin six months after the end of the annual accounting periodGGsource
Guernsey POI licensee: audited financial statements and Compliance Return to the GFSC within four monthsno later than four months after the accounting reference dateGGsource
Guernsey POI licensee: notice to the GFSC within 14 days that the auditor may qualify the accountswithin fourteen days of the licensee having reason to believe the auditor may qualify the accountsGGsource
Guernsey authorised closed-ended, registered and private investment fund: annual report and accounts to the GFSC within six monthsno later than six months following the end of the annual accounting periodGGsource
Guernsey licensee or authorised scheme: notice to the GFSC of a change of auditorwritten notice; immediate for an authorised closed-ended scheme; no period stated for a licensee or a Class B schemeGGsource
ICAV: copy of an auditor's resignation notice, or notice of an auditor-removal resolution, to the Central Bank within 14 daysnot later than 14 days after the resignation notice is deposited, or after the general meeting that removes the auditorIEsource
Irish AIF (QIAIF or RIAIF) annual report submitted to the Central Bank within six months of the financial period endwithin six months of the end of the financial periodIEsource
Irish AIFM / UCITS ManCo annual audited accounts to the Central Bankwithin four months of the financial year endIEsource
Irish RIAIF, and QIAIF set up as a unit trust or CCF: half-yearly report submitted to the Central Bank within two months of the half-year endwithin two months of the end of the half-yearly reporting periodIEsource
Irish UCITS ManCo half-yearly accounts to the Central Bankwithin two months of the end of the half yearIEsource
Irish UCITS annual report submitted to the Central Bank at publication, within four months of the period endat the same time as publication, within four months of the end of the annual periodIEsource
Irish UCITS half-yearly report submitted to the Central Bank at publication, within two months of the half-year endat the same time as publication, within two months of the end of the half-yearly periodIEsource
Irish UCITS half-yearly report within 2 months of the end of the half-yearwithin two months of the end of the first half of the financial year (Art. 68(2)(b) UCITS Directive)IEsource
Irish UCITS management company full-year accounts to the Central Bank within one month of the financial year endwithin one month of the end of the financial year (S.I. 316/2026 reg 97(4)(b)(ii))IEsource
Irish fund, UCITS management company or AIFM: advance notice to the Central Bank of a proposed change of auditorin advance of the change; no number of days is statedIEsource
Jersey AIFM: AIF annual report made available to the JFSC within 6 months of the financial year endno later than 6 months following the end of the AIF's financial yearJEsource
Jersey Private Fund with an auditor: notice to the JFSC of a qualified audit within 28 calendar daysas soon as reasonably practicable and in any case within 28 calendar daysJEsource
Jersey certified fund audited financial statements filed with the JFSCwithin seven months of the end of the fund's financial year, or an earlier date set in the fund's own rulesJEsource
Jersey certified fund: JFSC consent before any change of the fund's auditorbefore the change: the JFSC's prior consent; no number of days is statedJEsource
Jersey fund services business: audited financial statements, declaration and auditor's report to the JFSC within 4 monthswithin 4 months after the end of the accounting periodJEsource
Jersey investment business or trust company business: audited financial statements to the JFSC within 4 monthswithin 4 months of the end of the relevant accounting periodJEsource
Jersey registered person's auditor: statement to the JFSC within 7 days of the auditor's appointment endingwithin 7 days of the termination of the auditor's appointmentJEsource
Lux IFM Self-Assessment Questionnaire (SAQ) to the CSSFwithin four months of the IFM's financial year endLUsource
Lux IFM Separate Report + Management Letter to the CSSFwithin seven months of the IFM's financial year endLUsource
Luxembourg Part II UCI annual report sent to the CSSF within six months of the period endwithin six months of the end of the annual period (Art. 150(2))LUsource
Luxembourg Part II UCI half-yearly report sent to the CSSF within three months of the half-year endwithin three months of the end of the half-yearly period (Art. 150(2))LUsource
Luxembourg SICAR audited annual report sent to the CSSF within 6 monthswithin 6 months of the end of the period the report coversLUsource
Luxembourg U1.1 monthly financial information — within 10 calendar days of every month endwithin 10 calendar days after each month end, one report per sub-fund (Circular CSSF 15/627 as amended by 25/871)LUsource
Luxembourg UCITS annual report sent to the CSSF within four months of the period endwithin four months of the end of the annual period (Art. 150(2))LUsource
Luxembourg UCITS half-yearly report sent to the CSSF within two months of the half-year endwithin two months of the end of the half-yearly period (Art. 150(2))LUsource
Luxembourg UCITS half-yearly report within 2 months of the end of the half-yearwithin two months of the end of the first half of the financial year (Art. 68(2)(b) UCITS Directive)LUsource
Luxembourg UCITS management company or AIFM: CSSF prior approval of any change of réviseur d'entreprises agréébefore the change: the CSSF's prior approval; no number of days is statedLUsource
Private fund audit under the custody rule: audited GAAP financial statements distributed to investors within 120 days of the fund's fiscal year endwithin 120 days of the end of the pooled vehicle's fiscal year; promptly after a liquidation auditUSsource
Public company accounts and auditor's report delivered to the Jersey registrarwithin 7 months after the end of the financial period (public companies only)JEsource
UCITS annual report within 4 months of financial year-endwithin four months of the end of the financial year (UCITS Directive Art. 68(2)(a))IEsource
UCITS annual report within 4 months of financial year-endwithin four months of the end of the financial year (UCITS Directive Art. 68(2)(a))LUsource
UK AIF annual report to investors within 6 months of financial year-end.Annual report within 6 months of the end of the financial year (FCA FUND 3.3.3R, onshored AIFMD Art. 22)UKsource
UK authorised fund (UCITS scheme or non-UCITS retail scheme) annual long report within 4 months of the accounting period endwithin four months after the end of each annual accounting period (FCA COLL 4.5.14R)UKsource
UK authorised fund (UCITS scheme or non-UCITS retail scheme) half-yearly long report within 2 months of the end of the half-yearwithin two months after the end of each half-yearly accounting period (FCA COLL 4.5.14R)UKsource
US registered fund: audited annual shareholder report transmitted within 60 days of the fiscal year endwithin 60 days after the close of the period (Rule 30e-1(d))USsource
US registered fund: independent directors select the fund's accountant within 30 days of the start of the fiscal yearat a meeting held within thirty days before or after the beginning of the fiscal year, or before the annual meeting of stockholders in that yearUSsource
US registered fund: the shareholder report filed with the SEC on Form N-CSR within 10 days of transmissionnot later than 10 days after the report is transmitted to shareholders (Rule 30b2-1(a))USsource

In practice: the cross-border crunch is January–February, not year end. Annex IV annual reports for three regulators, Guernsey's annual fees and the whole Jersey registry confirmation window all land inside six weeks. The Jersey deadline is a hard portal cut-off at 11:59 pm, not a postmark. If one team handles several domiciles, book the January capacity now. And remember Annex IV periods end on the last business day of the quarter, so your data reference date is not always the calendar quarter end. The full frequency-and-mechanics walkthrough is in the Annex IV practical guide.

To verify — regulatory

Confirmed obligations whose exact parameter we could not yet pin to a primary source — treat these as open questions, not facts:

  • Ireland — F&P annual PCF confirmation window: the obligation and Portal are confirmed; the CBI page does not state the 2026 submission deadline (industry practice suggests a Q1 window). Confirm in the CBI PCF Annual Confirmation guidance (Dec 2024).
  • Ireland — Annex IV exact submission dates: industry summaries cite "last calendar day of the month following the quarter"; confirm the CBI's published 2026 reporting dates on the Portal/ONR guidance.
  • Ireland — fund-level annual reports: UCITS annual report (4 months) / half-yearly (2 months) and AIF annual report (6 months) publication-and-filing deadlines — confirm against the UCITS Regulations 2011 and the AIF Rulebook text.
  • UK — AIF annual report: FUND 3.3 (believed 6 months from financial year end) — confirm in the FCA Handbook FUND 3.3 (page is JavaScript-rendered; not machine-verifiable here).
  • Luxembourg — fund annual/semi-annual report deadlines: UCITS 4 months / semi-annual 2 months, Part II & SIF 6 months (law-based) — confirm against the 2010 Law and SIF Law texts on Legilux.
  • Jersey — 2026 JPF annual compliance return window: 1–31 Aug in recent cycles; watch for the JFSC's 2026 announcement.
  • Jersey — certified fund annual compliance returns and quarterly fund statistical returns: current form and deadlines on myJFSC.
  • Guernsey — Class B / registered fund financial statement deadlines (believed 6 months) and quarterly statistical returns via the Online Submissions Portal; POI licensee audited FS deadline under COB Rule 4.2(5).
  • AIFMD II horizon: revised Annex IV reporting applies from 16 Apr 2027, not 2026 — confirm transition details as ESMA finalises the technical standards.
  • US — Form N-PORT filing cadence: the 2024 SEC amendments moved N-PORT to monthly filing within 30 days of month end (staggered compliance dates) — confirm the exact 2026 cadence for your fund type before relying on it. Form ADV (31 Mar), Form PF (30 Apr) and Form N-CEN (16 Mar) for 31 Dec filers are on the quarter view above.
  • Cayman — CIMA fee amounts & the ES-return scope: the 15 January fee date is fixed. The CI$ amounts vary by fund sub-type, so confirm them on the current CIMA fee schedule. Whether a specific GP or manager files an ES return, rather than the fund's ES notification, depends on its residence and activity.
  • BVI — economic-substance period: the ES report is due within 6 months of the entity's ES financial period end, which is entity-specific (not always January to December); set your own period before relying on 30 June. The BVIFARS annual-fee date also rests on a secondary source: confirm it with the ITA.
  • Bermuda — FATCA route & date: Bermuda is a Model 2 IGA, so FATCA is filed direct to the US IRS (the 31 March date is IRS-set, not published by Bermuda) — confirm the current route with the administrator. CRS (31 May) and the CRS compliance certification (30 Sep) go to the Bermuda portal.
  • ADGM — firm-level GEN and AML deadlines: the auditor's-reports (GEN 6.6.2, FY + 4 months), Controllers-report (GEN 8.8.12, FY + 4 months) and annual AML Return (AML 4.6.1, end of April) rules were located via secondary snippets of the official rulebook — the ADGM rulebook host blocks direct verification. One browser session on the linked pages confirms all three.
  • ADGM — prudential (EPRS) return deadlines: expected to mirror the DFSA pattern (annual FY + 4 months, other returns + 1 month) via the ADGM PRU Rulebook, but no primary text located — not on the calendar until verified.
  • LU — CSSF commercial-real-estate exposure data, first collection: an open question remains on its scope or date, so it is not on the calendar. Best lead: CSSF — Data collection on commercial real estate for investment fund managers (official eDesk procedure).
  • LU — CSSF commercial-real-estate exposure data, second collection: an open question remains on its scope or date, so it is not on the calendar. Best lead: CSSF — Data collection on commercial real estate for investment fund managers (official eDesk procedure).
  • IE — Auditor's annual confirmation to the Central Bank on the duty to report (Central Bank Act 1997 s.27B): an open question remains on its scope or date, so it is not on the calendar. Best lead: Central Bank Act 1997, s.27B(2) (Law Reform Commission revised Act).
  • ADGM — ADGM Fund Auditor's Report among the auditor reports a Fund Manager files within four months of its own year end (GEN 6.6.2 reading): an open question remains on its scope or date, so it is not on the calendar. Best lead: FSRA General Rulebook GEN 6.6.1(5) and GEN 6.6.2 (GEN VER15.160926; GEN 6.6.2 amended 3 February 2020).
  • LU — Luxembourg UCI, SIF or SICAR: réviseur's reports and written comments (management letter) communicated to the CSSF: an open question remains on its scope or date, so it is not on the calendar. Best lead: Law of 17 December 2010 Art. 154(3) + Law of 13 February 2007 (SIF) Art. 55(3) + Law of 15 June 2004 (SICAR) Art. 27(3); Circular CSSF 21/790 not read.

Changelog

8 changes to the law and guidance · latest 2026-10-19
  • 2026-10-19 — Corrected: Austria’s OeKB annual tax-data notification is due within seven months of the fund’s year end for domestic and foreign funds alike (FMV 2015 § 3(2)). Corrected: Germany sets no publication deadline for a public fund’s tax figures; the dated duty is a special investment fund’s declaration of its tax bases, due within eight months of its year end (§ 51(2) InvStG). Corrected: a Swiss fund’s annual report and accounts go to the ESTV within six months of the year end (VStV art. 32(2)), and its profit-tax return, where it owes one, has no federal date: the canton sets it. Corrected: Irish dividend withholding tax is filed and paid by the company that pays the distribution, by day 14 of the following month (Revenue).
  • 2026-10-18 — Corrected: the Jersey annual confirmation statement is due on “the last day of February each year”, and it is filed by every company, foundation, limited liability company, limited liability partnership and limited partnership, not by companies only (JFSC Registry, annual confirmation).
  • 2026-10-17 — Corrected: the Luxembourg corporate tax return deadline now cites the tax authority’s own notice; an eight-month Luxembourg VAT extension that no primary source states was removed. Corrected: the Luxembourg and Irish deadlines for a manager’s annual documents to the regulator run from each firm’s financial year end, not a fixed date (CSSF Circular 21/789; Central Bank UCITS Regulations 2026, S.I. 316/2026, reg. 97). Corrected: Jersey’s certified-fund accounts row is the filing with the JFSC, within seven months of the year end.
  • 2026-09-23 — Cayman Islands: the CRS and FATCA reporting deadline moves for the 2026 reporting year. It is 31 July 2026 for the 2025 reporting year and 30 June 2027 for the 2026 reporting year, in the DITC’s own words: “Impacts on the Common Reporting Standard 2026 Reporting Year (30 June 2027 Filing Deadline)”. Separately, the DITC Portal closes to CRS XML submissions in early August 2026 for the move to XML Schema v3.0 and is expected to reopen in early 2027 — which the DITC states is not an extension of the 31 July 2026 deadline (DITC Updates Bulletin, posted June 2026).
  • 2026-09-22 — Jersey: corrected. There is no standalone Jersey economic substance return. The substance questions are Section 7 of the corporate tax return, and that return is due “by midnight on 30 November of the following year” — so the substance deadline is the return deadline, and for the 2025 year of assessment it is 30 November 2026. This calendar previously carried a separate Jersey substance return due “within 12 months of the end of the accounting period”, which is not what Revenue Jersey states. Late filing is a £300 penalty, then £100 a month for up to nine months (Revenue Jersey corporate tax return guidance notes · Section 7 guidance).
  • 2026-09-22 — British Virgin Islands: the ITA has extended the economic substance filing period until further notice for declarations with financial periods ending in June 2025 and December 2025, and temporarily disabled single filing so a registered agent must use bulk filing on the VIRRGIN platform. The underlying rule is unchanged: a declaration is due within 6 months of the end of the entity’s financial period (ITA notice, 13 July 2026 · ITA Rules on Economic Substance, §12.12 and §12.16).
  • 2026-09-22 — Cayman Islands: restated. The Fund Annual Return and the audited financial statements are due “within six (6) months of the FYE” — a rule that runs off the fund’s own financial year end, not the fixed 30 June date this calendar previously carried; 30 June 2026 is the worked example for a 31 December year end. An extension can be requested from CIMA, with a fee, up to three months beyond the original deadline. The economic substance return is likewise a rule: “within twelve months after the last day of the end of each financial year” (CIMA notice · DITC Economic Substance Guidance, July 2022).
  • 2026-09-22 — added: four obligations that were missing from this calendar. FBAR (FinCEN Form 114) — due 15 April 2026 for the 2025 calendar year, with an automatic extension to 15 October 2026 and no request needed. DAC6 — a reportable cross-border arrangement is disclosed within 30 days of the earliest of the three trigger events in Article 8ab(1), with a further report every three months for a marketable arrangement. BE-13 — due “no later than 45 days after the acquisition is completed, the new legal entity is established, or the expansion is begun”, and mandatory whether or not BEA makes contact. Form D — filed “within 15 days after the first sale of securities in the offering” (IRS FBAR · Directive (EU) 2018/822, Art. 8ab · BEA BE-13 filing instructions · SEC Form D).
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