Karachi tax association raises concerns over delay in FBR forms: report By KTBA President said prescribed form to update taxpayers' profiles has not been issued so far FBR made it mandatory for taxpayers to update their profiles by providing information including bank accounts, utility connections, etc. It has been made mandatory to update the profile by December 31, 2020 KARACHI: With only three days remaining to comply with the mandatory requirement, the Karachi Tax Bar Association (KTBA) has expressed concerns on the delay in issuance of a form required to update taxpayers’ profiles, KTBA President Muhammad Zeeshan Merchant, in a letter sent to Dr Muhammad Ashfaq Ahmed, Member (Operations), FBR, said the prescribed form to update the profile was not issued so far.