GST REG-01 and Aadhaar Authentication Process
Understand TRN, Part A and Part B, Aadhaar verification, ARN, clarification and GSTIN grant.

Understand TRN, Part A and Part B, Aadhaar verification, ARN, clarification and GSTIN grant. Use the sections below to understand the practical decisions, records and compliance points before taking action.
Create the registration application
Part A of REG-01 validates PAN, mobile, email and State or UT and generates a Temporary Reference Number. Part B captures business, promoter, signatory, place, goods or services, bank and verification details.
Choose the correct taxpayer category
Normal taxpayer, casual taxable person, non-resident, TDS, TCS, ISD and other categories use different requirements. Selecting the wrong category can invalidate the workflow.
Complete Aadhaar or e-KYC correctly
Portal guidance links Aadhaar authentication to the constitution of business and selected persons. Biometric or document verification and site visit can apply under current risk-based processes and jurisdictional rollout.
Sign and generate ARN
The authorised signatory submits through DSC or EVC as applicable. After submission, preserve the Application Reference Number and monitor notices and status.
Respond to clarification with source evidence
If the officer seeks clarification, reply within the portal timeline using consistent KYC, address, activity and possession records. Do not fabricate signage, occupancy or transactions.
Verify the registration certificate
After approval, confirm legal and trade name, address, constitution, effective date and authorised signatory on the certificate. Correct errors through the prescribed amendment process.
Official References
Rules and portal requirements can change. Review the current official material relevant to the proposed company.
This article provides general information and is not a substitute for legal, tax or investment advice. Applicability should be reviewed for the proposed entity and current law.
