Inland Revenue Department
Register for TIN
For People/businesses needing Taxpayer Identification Number
Research draft. Sources were collected on 9 November 2026; not every page was read in full. Current rules and the full application process are unverified. Follow the linked official source before acting.
Steps
Read IRD registration overview and 2026 guidance
ird.gov.lk (opens in a new tab)Select how to register as taxpayer: online, by post, or in person as offered
Complete registration details and necessary supporting information
ird.gov.lk (opens in a new tab)After obtaining TIN, check whether any particular tax-type registration is required separately
Keep issued TIN/credentials secure
ird.gov.lk (opens in a new tab)