Filing your income tax return in Sri Lanka can seem overwhelming — but having the right documents ready can make the process smooth, fast, and stress-free.
Whether you’re a salaried employee, self-employed, or a business owner, this guide outlines all the essential documents you’ll need to successfully file your return with the Inland Revenue Department (IRD) in 2025.
📑 1. Basic Personal Information
You’ll need:
- National Identity Card (NIC) or Passport
- IRD Number (If you don’t have one, register at ird.gov.lk)
- Bank details (for refunds or payments)
💼 2. Employment Income Documents
For salaried individuals:
- Payslips (Monthly/Annual)
- Form T10 – issued by your employer (Shows your total income and PAYE deductions)
- EPF/ETF contribution details
- Any bonuses, commissions, or allowances received
🧾 3. Self-Employment or Business Income
If you’re a freelancer, consultant, or business owner:
- Profit and Loss Statement (for the tax year ending March 31, 2025)
- Invoices and receipts
- Bank statements
- Business registration documents
- Records of expenses claimed (rent, utilities, transport, etc.)
🏦 4. Investment Income
If you earned from:
- Interest on deposits → get a Withholding Tax certificate from your bank
- Dividends → Dividend vouchers
- Rental income → Lease agreements + rent receipts
- Capital gains → Sale documents, deeds, or property transfer papers
🎓 5. Claimable Deductions & Reliefs
- Medical bills (if claimable under allowable deductions)
- Donations to approved charities
- Life insurance premiums
- Educational expenses (if eligible)
- Housing loan interest (limited deductibility – check IRD guidelines)
📥 6. Other Supporting Documents
- Previous year’s tax return (if any)
- Acknowledgment of tax payments (if you’ve already paid via bank or online)
- e-Filing login: Make sure you have access to your IRD e-Services
🖥️ Where to File Your Return
You can file your tax return:
- Online at eservices.ird.gov.lk
- Through a registered tax agent or accountant
✅ Final Tips
- File before November 30, 2025 to avoid penalties
- Keep digital and printed copies of all documents for at least 5 years
- If in doubt, consult a Chartered Accountant or IRD officer
💡 Need Help Filing?
Visit www.TaxCalculator.lk to:
- Calculate your PAYE or personal tax
- Get reminders and checklists
- Book tax filing support
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