A person can change their registration information recorded for filing Income Tax Return in three (3) possible ways.

1. Changing information through Iris, a person can change/update information by logging into Iris.
   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 Central Board of Revenue (CBR) helpline, a person can also change or update information through CBR helpline via phone or email.
   Following information can be updated through the helpline:
   • Name
   • Date of Birth
   • Gender
   • Disability Status
   • Senior Citizen Status
3. Changing Information by visiting  Tax Office
   For changes in registration regarding the following issues, the person will have to visit their relevant Tax Office:
   • Discontinuance of business
   • Jurisdiction for Income Tax Return assessment
   • Deregistration
   • Updating CNIC number
   • Updating Pakistan Origin Card (POC)

   A person will have to take relevant documents to Tax Office in order to successfully change details regarding Income Tax Registration.