Aadhaar authentication requirement: individuals must undergo Aadhaar authentication to qualify for GST registration; alternate ID permitted. Notification prescribes the commencement date from which an individual must undergo Aadhaar authentication to be eligible for registration under the Puducherry Goods and Services Tax framework, linking the authentication requirement to the mechanism set out in the GST Rules. Where an individual has not been assigned an Aadhaar number, an alternate and viable means of identification must be offered as specified in the rules.