FBR has directed that all its field offices, including Large Taxpayers’ Offices (LTOs), Medium Taxpayers’ Office (MTO), Corporate Tax Offices (CTOs) and Regional Tax Offices (RTOs) shall observe normal working hours on Saturday 27th June 2026 & Sunday 28th June 2026 while extended working hours are to be observed on Monday 29th June 2026 & Tuesday 30th June 2026 for collection of duties and taxes.