CHANGE-UPDATE YOUR PERSONAL DETAILS / PROFILE INFO IN IRIS A person can change their registration information recorded for filing Income Tax Return in three (3) possible ways . Changing information through Iris, a person can change/update information by logging into Iris . The following information can be updated by the person through Registration Form 181 (filed for modification) Income Tax: Mobile number Email Personal/Residential Address Business Address Addition of Business Branches Legal Representative u/s 87 of Income Tax Ordinance 2001 Bank Account 2. Changing information through the Federal Board of Revenue (FBR) helpline, a person can also change or update information through the FBR helpline via phone or email. The following information can be updated through the helpline: Name Date of Birth Gender Disability Status Senior Citizen Status...