As explained above various types of vouchers are specified under GST, which are required to issue by registered person upon the occurrence of respective transaction. For ease of understanding below diagram explained which invoice require to in issue according to transaction took place:
| Transaction by |
| Registration Applied | Registered Person |
| within one month of RC | Input Service Distributor | Acceptance of Adjustment in Receipts | Adjustment in the Supply | Supply | Transportation without Invoice | Refund | RCM | Advance |
| revise invoice issued earlier | ISD Invoice or ISD Credit Note | Debit Note | Credit Note | of Rs. 200/- or More | of Less than Rs. 200/- | Delivery Challan | Refund Voucher | Payment Voucher | Receipt Voucher |
| with in date of application & RC | | | | supplier registered as Composition | Exempted Goods or Service | Taxable goods or Service | Niether Taxable Invoice nor Bill of Supply | | | | |
| | | | Bill of Supply | Bill of Supply | Tax Invoice | Normal Invoice | | | | |