Sales Tax Invoicing and Valuation: What Finance Act 2026 Actually Changes

Full Article

An advance-receipt invoice and the legal time of supply are different concepts. The enacted amendments should not be summarized as “all advance payments now follow a new time-of-supply rule” without checking the underlying Act.

The invoice amendments

The Act introduces an advance-receipt invoice definition and amends section 23 to address taxable and exempt supplies and verifiable unique FBR invoice numbers. It allows notified persons or classes to issue advance-receipt invoices within the notified system. The unique-number condition applies from the time notified by FBR.

Valuation provision

The amendment to section 2(46)(j) permits use of Pakistan Bureau of Statistics valuation notified immediately before the tax period and prescribed outsourcing of valuation functions. This belongs to that specific valuation provision, not a universal replacement of every invoice value.

What to do with an advance

Identify the supply, applicable time-of-supply rule, relevant notification and invoicing process. Record receipt and supply dates separately. Do not delay or accelerate tax reporting solely on the basis of an unverified proposal-stage summary.

Debit and credit notes

Section 9 also permits a prescribed mechanism including electronic adjustments. Reconcile amendments to the original invoice and use the prescribed process rather than silently replacing invoice data.

Source and scope

Finance Act 2026, official FBR gazette, PDF pages 8-12. Text reviewed on 14 October 2026. This explains the enacted amendment; a notification-dependent procedure must be checked separately before use.