Aadhaar authentication required for GST registration eligibility; alternate identification allowed where Aadhaar is not assigned. Notification designates the date from which an individual must undergo Aadhaar authentication to be eligible for GST registration under sub-section (6B) of section 25 of the Chhattisgarh GST Act, 2017 and rule 8 of the Chhattisgarh GST Rules, 2017. If an Aadhaar number has not been assigned, alternate and viable means of identification as specified in rule 9 are to be offered. The notification takes effect from the 1st day of April, 2020.