Written by Hamza Shahnawaz in Taxation Tax authority advises taxpayers to complete returns, payments and registrations before scheduled weekend system maintenance. ISLAMABAD, August 7, 2026: The Federal Board of Revenue (FBR) has announced that its online tax return filing portal, IRIS, along with several other digital tax services, will remain temporarily unavailable over the weekend due to scheduled system maintenance. In a public notice issued on Friday, the FBR said the maintenance will commence at 12:30 a.m. on Saturday, August 8, 2026, and continue until 5:00 a.m. on Monday, August 10, 2026. Key Digital Services to Remain Unavailable During the maintenance period, taxpayers and other stakeholders will be unable to access several important online platforms, including: • IRIS tax return filing portal • Digital Invoicing (DI) • Payment System • Synchronized Withholding Administration and Payment System (SWAPS) • POS Registration The FBR said all transactions linked to these services, including tax return filing, tax payments, registrations and other online activities, will remain unavailable throughout the scheduled maintenance window. Taxpayers Advised to Plan Ahead The tax authority has urged taxpayers, businesses and tax practitioners to complete any time-sensitive tax-related activities…