Getting a letter from the Inland Revenue Department (IRD) Sri Lanka — whether it’s a Tax Assessment, Letter of Default, or Notice of Additional Tax Payable — can feel overwhelming. But don’t panic. In most cases, it’s something you can manage with the right steps.
Here’s a simple, step-by-step guide to help you understand and take action confidently.
📩 1. Understand What Type of Letter You Received
IRD Sri Lanka issues several types of letters:
- Income Tax Assessment Letter – Tells you the tax calculated by IRD for a given year.
- Tax in Default Notice – Means IRD believes you owe unpaid taxes.
- Notice of Estimated Assessment – IRD has estimated your income if you didn’t file your return.
- Letter Requesting Information – IRD needs supporting documents for review.
👉 Tip: Read the heading and reference number. This will indicate the type of letter.
📂 2. Check the Tax Year and Figures Mentioned
Look for:
- Tax year concerned (e.g., 2022/23)
- Total income assessed
- Tax payable and any penalties
- Deadline for objections or payment
🧾 Use a tool like TaxCalculator.lk to cross-check the calculations.
📞 3. Act Quickly (Within 30 Days)
In most cases, you have 30 days to:
- Pay the amount, or
- File a valid objection with supporting documents
Delaying can lead to:
- Penalties
- Interest accumulation
- Possible legal action
✍️ 4. File an Objection (If You Disagree)
To file an objection:
- Draft a letter explaining your disagreement
- Attach income details, payslips, or other supporting docs
- Submit it via IRD’s e-Services or by post to your tax office
✅ Important: You must file your return before you can object. If you haven’t done that, file your tax return ASAP.
👨💼 5. Get Expert Help if Needed
If the assessment is unclear or you’re unsure how to respond, get advice from a qualified tax consultant or chartered accountant.
You can contact us via TaxCalculator.lk — we help individuals and businesses respond to IRD notices quickly and professionally.
🧠 6. How to Avoid Future Tax Issues
- File returns on time every year (even if your income is low)
- Keep records of all income and deductions
- Use tax tools to check your liabilities
📌 Final Thoughts
Receiving a tax letter from IRD doesn’t mean you’re in trouble — it means action is required. Stay calm, read carefully, and respond on time. If needed, reach out to a professional who can deal with IRD on your behalf.
🔗 Use our free Sri Lanka Tax Calculator to estimate and verify your taxes before you submit.

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