How to Get a TIN (Taxpayer Identification Number) in Sri Lanka – Step-by-Step Guide (2025)

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What is a TIN in Sri Lanka?

A Taxpayer Identification Number (TIN) is a unique number issued by the Inland Revenue Department (IRD) of Sri Lanka. It’s essential for:

  • Filing tax returns
  • Paying income tax or VAT
  • Conducting business or freelance services legally

Whether you’re an employee, freelancer, company, or self-employed, you need a TIN to comply with IRD regulations.


✅ Who Needs a TIN?

You need to get a TIN if you are:

  • Earning more than the annual tax-free threshold
  • Self-employed or running a business
  • Working as a consultant, freelancer, or contractor
  • Applying for VAT registration
  • Importing or exporting goods
  • An employer deducting PAYE from employees

📌 How to Get a TIN in Sri Lanka (Step-by-Step)

🧍 For Individuals (Employees, Freelancers, Professionals)

Step 1: Prepare Required Documents

  • Copy of National Identity Card (NIC) or Passport
  • Proof of address (utility bill, lease, etc.)
  • Letter from employer (if applicable)
  • Business registration (if self-employed)

Step 2: Visit Your Nearest IRD Office

  • Go to the nearest IRD Regional Office
  • Request the TIN Registration Form (Form A)

Step 3: Fill and Submit the Form

  • Fill out the form with personal and income details
  • Submit the required documents
  • Receive your TIN within 2–5 working days

📌 Note: Some offices issue the TIN on the same day if documents are complete.


🏢 For Companies or Partnerships

Step 1: Prepare These Documents

  • Certificate of Incorporation (for companies)
  • Business registration (sole traders/partnerships)
  • Board resolution (for companies)
  • Details of directors/partners

Step 2: Fill and Submit Form B (TIN registration for businesses)

  • Submit to the Corporate Division of the IRD
  • TINs are typically issued in 3–7 working days

🌐 Can I Apply for a TIN Online?

Currently, full online registration for TIN is limited, but the IRD Sri Lanka is expanding e-services. You can:

  • Download forms online via www.ird.gov.lk
  • Contact your regional IRD office to ask about remote submissions

📞 IRD Contact Info & Office Hours


🧠 FAQs About TIN in Sri Lanka

Q: How long does it take to get a TIN?
A: 1–5 working days for individuals; 3–7 for businesses.

Q: Is TIN the same as a tax file number?
A: Yes. In Sri Lanka, TIN is used as the primary tax reference number.

Q: Can I get a TIN without a job?
A: Yes. Even freelancers or unemployed individuals earning taxable income can apply.


💡 Final Tips

  • Always keep a copy of your TIN certificate
  • Use your TIN when registering for e-services, paying taxes, or filing returns
  • If you’re unsure about the process, reach out to a Chartered Accountant or tax consultant

🚀 Need Help with Tax Registration or IRD Filing?

At TaxCalculator.lk, we help individuals and businesses across Sri Lanka:

  • Register for TIN
  • File IRD returns
  • Calculate income taxes and PAYE online

📩 Contact Us or try our Free Tax Calculator Tool now!

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