gst rule 10(1)

10.Issue of registration certificate. (1) Subject to the provisions of sub-section (12) of section 25, where the application for grant of registration has been approved under rule 9, a certificate of registration in FORM GST REG-06 showing the principal place of business and additional place or places of business shall be made available to the applicant on the common portal and a Goods and Services Tax Identification Number shall be assigned subject to the following characters, namely:-

(a) two characters for the State code;

(b) ten characters for the Permanent Account Number or the Tax Deduction and Collection Account Number;

(c) two characters for the entity code; and

(d) one checksum character.