Sri Lanka, Nov. 5 -- The Inland Revenue Department has deferred the mandatory submission of Taxpayer Identification Number (TIN) certificates for eight specified transactions until April 1, 2027.

The requirement, which was initially scheduled to come into effect on November 1, 2026, has been postponed following a significant increase in demand for TIN certificates among individuals engaged in the specified transactions as well as members of the general public.

In a public notice, the department said the decision to defer implementation had been taken with the approval of the Ministry of Finance.

The mandatory requirement was introduced in accordance with Circular No. SEC/PN/IT/2026/05 dated September 22, 2026, under subsection (6) of ...