Karachi, January 27, 2025 – The Federal Board of Revenue (FBR) has unveiled the detailed mechanism for the adjustment of input and output tax under the sales tax laws applicable for the tax year 2025. This mechanism, as outlined in Rule 22 of the Sales Tax Rules, 2006, provides clear guidelines to ensure proper compliance. According to the FBR, the adjustment process addresses situations involving cancelled or returned supplies, changes in tax amounts, and specific conditions where credit or debit notes are issued. Key Points of the Mechanism for Adjustment: 1. Claiming Input Tax: Buyers cannot claim input tax for supplies that have been cancelled, returned, or where the tax amount has been reduced. 2. Adjustments via Credit or Debit Notes: If a buyer has already claimed input tax for such supplies, they must adjust it accordingly. This means either reducing or increasing the input tax by the amount mentioned in the debit or credit note in the tax return for the relevant period. 3. Supplier’s Responsibility: Tax filing services If a supplier has already reported output tax on a transaction and later issues a debit note, they are required to adjust the output tax in the same way. This adjustment should be reflected in the tax return for the period in which the debit note was issued. 4. Timeframe for Adjustments: Any adjustments resulting in…