On September 24, 2025, the Federal Board of Revenue (FBR) published Notification S.R.O. 1852(I)/2025, superseding the previous notification from August 1, 2025. The new regulation sets revised deadlines for registration, testing, and issuance of e-invoices for sales tax registered persons.

The requirements apply to public companies, importers, and businesses with varying annual turnover, as…