KARACHI: Federal Board of Revenue (FBR) has issued instructions to all Large Taxpayer Units (LTUs), Corporate Regional Tax Offices (CRTOs) and Regional Tax Offices (RTOs) to open their offices on 31st May, 2019 and extend working hours till 06:00 PM on Friday to facilitate the taxpayers in payment of duties/taxes and filing of income tax returns/statements.[the_ad id=”31605″]