ISLAMABAD : The FBR has decided to extend the date of payment/ filling of returns up to 27th August for the tax period of July 2013 for all registered persons.   "In exercise of the powers conferred under section 74 of the Sales Tax Act, 1990 and section of 43 of Federal Excise Act, 2005, the Federal Board of Revenue is pleased to further extend the date of payment/ filling of returns up to 27th August for the tax period of July 2013 for all registered persons", said the notification issued by FBR on Friday.