GST registration certificate format requires specific identity fields, validity dates, display at business premises, and annexures for locations.

Form GST REG-06 prescribes the registration certificate format, listing Registration Number, legal and trade names, constitution, principal place of business, date of liability, and a validity period with a specific end date for non resident and casual taxpayers. It requires type of registration, jurisdictional office, officer signature and mandates prominent display at all business locations. Annexures record associated persons and additional places of business; where additional places exist, the principal certificate must list them and separate certificates must be printed for each declared additional place showing both that place's address and the principal place address.

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