How to Change Financial Year End in Singapore (2026): ACRA Section 198 Process and Tax Impact

Singapore companies must have a financial year end (FYE). It drives when accounts are prepared, when the AGM is held, when the annual return is filed with ACRA, and when the corporate tax return is due to IRAS. Occasionally, business owners need to change the FYE — for group alignment, to match a parent company overseas, or to shift a peak trading period out of the reporting window.

Raffles Corporate Services works with a panel of experienced Singapore law firms who offer cost-effective and efficient legal service and advice. This article is general information only and is not legal advice.

This 2026 guide walks through the ACRA process, the tax impact, and the traps that catch business owners who change their FYE without thinking through the consequences.

What Is a Financial Year End?

Under Section 198 of the Companies Act 1967, every Singapore company must have a financial year end. The FYE is the last day of the company’s accounting period. On incorporation, ACRA sets a default FYE — typically 31 December, but many companies choose a different date (30 June, 31 March, and 30 September are common).

A financial year (FY) generally cannot exceed 18 months. The first FY of a newly incorporated company can run up to 18 months from incorporation, but subsequent FYs must be 12 months unless changed with ACRA approval or a permitted extension.

Reasons to Change Your FYE

• Group alignment. The company is now part of a group whose reporting cycle ends on a different date (e.g. US parent uses 30 September; UK parent uses 31 March).
• Business seasonality. Move the FYE away from the peak sales period so stock counts and year-end audits are less disruptive.
• Tax optimisation. Adjusting the FYE can push a one-off gain (or loss) into a different YA — with implications for start-up tax exemption utilisation.
• Preparing for a transaction. Aligning the FYE with a buyer’s due-diligence window makes M&A cleaner.
• Simplifying group consolidation. A common FYE across all subsidiaries removes stub-period accounting.

The Section 198 Rules for Changing FYE

Section 198(3) sets out the framework. In summary:

Change without ACRA approval

A company may change its FYE by directors’ resolution alone if:

• The new FY does not exceed 18 months;
• The FYE has not already been changed within the last 5 years;
• No AGM or annual return has already been filed for the current FY.

Change requiring ACRA approval

If any of the above conditions cannot be met, the company must apply to the Registrar for approval under Section 198(4). ACRA will normally grant the application where there is a bona fide commercial reason (group alignment, restructuring, acquisition).

Step-by-Step Process

1. Directors’ meeting to decide on the new FYE and approve the change. Record the commercial reason in the minutes.
2. Check the 5-year rule. If the FYE was already changed within the last five years, an ACRA application is required.
3. File Form 25 with ACRA via BizFile+. If approval is required, upload supporting documents — auditor’s confirmation, board minutes, and a letter explaining the reason.
4. Update the accounting system. Move the year-end date in your Xero, Jaz, or SAP configuration so subsequent management accounts run to the new date.
5. Update the AGM timeline. The next AGM must be held within 6 months of the new FYE. See our AGM guide.
6. Notify IRAS by updating the corporate tax profile. IRAS will assess based on the new FYE for the relevant Year of Assessment.
7. Update auditors, bankers and grant agencies. Enterprise Singapore, ACRA and lenders all rely on the FYE for reporting deadlines.

Tax Impact — This Is Where People Get Hurt

Changing FYE creates a “stub period” — a financial year shorter or longer than 12 months. This has several IRAS consequences:

Year of Assessment (YA) allocation

IRAS treats each YA as based on the preceding financial year. A stub period must fit into one YA — you cannot span two. If your new FYE creates a period longer than 12 months, IRAS may split it across two YAs.

Start-up tax exemption (SUTE)

SUTE is available for the first three consecutive YAs. If your FYE change compresses the accounting period, you may inadvertently lose one YA of the exemption. Model this before making the change.

Capital allowances

Wear-and-tear allowances (Section 19 and 19A) are given at fixed annual rates. A short stub period does not proportionately reduce the allowance under Section 19A, meaning you might get more relief in a stub year — a genuine benefit if timed well.

ECI filing

Estimated Chargeable Income is due within 3 months of the FYE. Change the FYE and you shift the ECI deadline — flag this to your tax agent to avoid a late-filing penalty.

Corporate tax return (Form C-S / Form C)

The Form C-S / C for a YA is due by 30 November. The change of FYE can shift which YA a stub period lands in and therefore the filing deadline.

Impact on GST-Registered Businesses

Changing the accounting FYE does not automatically change GST accounting periods, which are usually calendar-quarter based. Check whether the change of FYE indirectly changes any GST computation reference points and whether you need to notify IRAS separately. See our GST Registration guide for what to update.

Common Pitfalls

• Missing the 5-year rule. The most common mistake — the company changed FYE 3 years ago and forgets it needs ACRA approval this time.
• Filing the AGM under the old FYE. Once you file the AR for the current FY, you cannot then change the FYE without ACRA approval.
• Not updating the tax computation. Auditors sometimes prepare accounts to the new FYE but tax agents keep filing to the old one — a mismatch that surfaces at audit.
• Missing an ECI deadline. The change shifts the ECI due date; diaries need updating.
• Grant covenant breach. Some EDG, PSG or SFEC grant agreements require reporting to the funder within X months of FYE. Changing FYE without informing the grant agency can breach the covenant.

Practical Example

ABC Pte Ltd was incorporated on 1 March 2023 with a default FYE of 28 February. In 2026, its US parent acquires it and needs the FYE to move to 30 September. The company’s last FYE was 28 February 2026.

• Option A: Extend the current FY. First “new” FY runs 1 March 2026 to 30 September 2027 — 19 months. Not allowed under Section 198 (18-month cap). Requires ACRA approval and probably rejection.
• Option B: Shorten the current FY. First “new” FY runs 1 March 2026 to 30 September 2026 — 7 months. Second FY runs 1 October 2026 to 30 September 2027 — 12 months. Both within the rules; directors’ resolution sufficient (assuming FYE not changed in the last 5 years).

Option B is the clean answer. It also gives IRAS a defined stub period for YA 2027 tax computation.

Documentation Trail

Keep in the company’s records:

• Board minute approving the change and stating the commercial reason;
• Copy of the ACRA filing (Form 25) or approval letter;
• Updated compliance calendar showing new AGM and AR due dates;
• Correspondence with IRAS confirming the new FYE for tax purposes;
• Notification letters to bankers, auditors, and grant agencies.

Conclusion

Changing the FYE is a mechanical exercise, but the downstream consequences — tax filing deadlines, exemption utilisation, AGM cycles, grant reporting — need thinking through before you sign the board minute. Get your corporate secretary and tax agent in the same room, model the stub period, and then file with ACRA. Rushing the change to align to a group deadline without checking the ancillary impact is how companies end up with a lost year of SUTE or a missed ECI deadline.

— The Editorial Team, Raffles Corporate Services