How to File Your Singapore Income Tax on myTax Portal (Tax Season 2026)
Last verified: 28 October 2026 against IRAS's Tax Season 2026 page and e-Filing page. Short answer: File on myTax Portal with Singpass between 1 March and 18 April [IRAS Tax Season 2026]. You generally must file if your 2025 income was more than $22,000, your self-employed net profit was more than $6,000, or you are a non-resident with Singapore income [IRAS Tax Season 2026]. Some people are on the No-Filing Service and only need to check their pre-filled details [IRAS Tax Season 2026].
Talreon is an independent publisher and is not affiliated with IRAS (the Inland Revenue Authority of Singapore). This page explains the process in our own words; the agency's own website and notices are the final word.
Which group are you in?
| What myTax Portal shows | What it means | What to do |
|---|---|---|
| Not required to file (Direct Notice of Assessment) | IRAS will issue your tax bill from your employer's data and last year's reliefs | Nothing now; check the bill and use Amend Tax Bill within 30 days if something is wrong [IRAS Tax Season 2026] |
| Not required to file, verify by 18 Apr (No-Filing Service) | Your return is pre-filled | Check it; file only if you need to add income such as rent or change reliefs [IRAS Tax Season 2026] |
| Required to file, due 18 Apr | You must submit a return | File on myTax Portal by 18 April [IRAS Tax Season 2026] |
Step by step: e-File on myTax Portal
- Get Singpass, or a Singpass Foreign user Account if you are not eligible [IRAS e-Filing].
- Gather Form IR8A (if your employer is not in the Auto-Inclusion Scheme), dependants' details for new relief claims, rental income and expenses, and your business registration number if self-employed [IRAS e-Filing].
- Log in to myTax Portal, choose Individuals, then File Income Tax Return [IRAS e-Filing].
- Check the pre-filled income, deductions and reliefs, and add any income that is not pre-filled [IRAS e-Filing].
- Review, tick the declaration and submit. Save the acknowledgement page.
Deadlines and timing
- Filing window: 1 March to 18 April [IRAS Tax Season 2026].
- Drafts are kept for 14 days; submit within 14 days of saving or by 18 April, whichever is earlier [IRAS e-Filing]. Sessions time out after 20 minutes idle.
- You can re-file once, by 18 April; the new return replaces the old one [IRAS e-Filing].
- Need more time? IRAS may grant an extension of up to 14 days through its Apply for Extension of Time to File service [IRAS Tax Season 2026].
- Tax bills (Notices of Assessment) generally arrive from end April to end September [IRAS Tax Season 2026].
See the brackets in our Singapore income tax rates guide, and the CPF contribution rates page for what comes off your pay.
Frequently asked questions
When is the Singapore income tax filing deadline?
18 April for e-Filing; the window opens on 1 March.
Do I need to file if I earn under $22,000?
Generally not, unless IRAS has asked you to file, you have self-employment profit above $6,000, or you are a non-resident with Singapore income.
Can I change my return after submitting?
Yes, you can re-file once by 18 April. After you receive your tax bill, follow IRAS's process for amending it.
When will I get my tax bill?
IRAS says generally from end April to end September; people on Direct Notice of Assessment receive theirs in March.
Where to check it yourself
Talreon is not affiliated with IRAS (the Inland Revenue Authority of Singapore). Figures and steps on this page were checked against the linked pages on 28 October 2026. Read our editorial and review process and figures update log. Spotted something out of date? Email support@talreon.com with the page address.
Change log: 28 October 2026 – first published. Educational information only; not tax, financial or legal advice.