The eREGISTRATION (eREG) System is a web application system for various taxpayer registration services, such as TIN issuance, payment of registration fee and issuance of Certificate of Registration.

eREG System shall be available for use by Corporate or Non-Individual Taxpayer-Employers to facilitate the issuance of Taxpayer Identification Number (TIN) of their employees. Corporate or non-individual employers registered with the Bureau shall enroll an authorized user who shall access the system and issue the TIN of its new employees without existing TIN. Existing users will be required to re-enroll to create an authorized user account.