ISLAMABAD, APR 23 – The Federal Board of Revenue has devised a centralised system of online refund payments to tax payers’ accounts.It has requested Pakistani tax payers to update their international bank account number “of the same bank whose details are already available in their IRIS profile”.It said in a press release that the system has been devised so that the cheques of refunds of sales tax, federal excise duties and income tax could be sent directly to the taxpayers’ accounts.