Following details have to be mentioned in the payment voucher as per GST rules:

1. Name, address and GSTIN (if registered) of the supplier.
2. A consecutive serial number not exceeding 16 characters of any combination which unique for the financial year.
3. Date of issue of payment voucher.
4. Name, address, and GSTIN of the recipient.
5. Description of the goods and service on which tax is paid on reverse charge basis.
6. Amount paid to the supplier.
7. The rate and amount of tax charged under different heads CGST, SGST/UTGST or IGST and cess.
8. Place of supply if the transaction is interstate along with the state name and code.
9. Signature or Digital signature of the supplier or the authorized representative of the supplier