Filing your income tax in Sri Lanka doesn’t have to be confusing or stressful โ especially if you’re based in Jaffna and want to do it right for the 2025/2026 tax year. This guide breaks everything down step by step โ in simple English.
๐จโ๐ผ Bonus: If you need help, you can contact us at www.taxcalculator.lk โ Sri Lanka’s trusted online tax help platform.
โ Step 1: Know If You Need to File
- Earn over LKR 1.8 million per year
- Are self-employed or freelance
- Have rental income or business profits
โ Step 2: Gather These Documents
- Your NIC or Passport
- Your IRD number
- Salary slips and bank statements
- Business income records (if any)
โ Step 3: Log in to the IRD e-Services Portal
Visit: eservices.ird.gov.lk, click “Taxpayer Login”, enter your TIN and password, then go to “Tax Return Submission”.
โ Step 4: Fill in Your Return (YA 2025/2026)
Include employment income, rental/business/foreign income, deductions (personal relief of LKR 1.8M), and tax credits.
๐ง Tip: Use our online tax calculator to check how much tax you owe before submitting.
โ Step 5: Submit Before the Deadline
๐ Deadline: Usually November 30 each year. Submit before this date to avoid penalties.
๐ Need Help Filing from Jaffna?
At TaxCalculator.lk, we help individuals and small business owners across the Northern Province โ including Jaffna โ to file taxes easily, wherever you are. Our Chartered Accountants can file on your behalf, calculate your liability, and help with IRD registration, all remotely online.
๐ฌ Click here to book a free callback or WhatsApp us directly for assistance.

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