1. Seller Details - GSTIN, legal name of business, registered address of business

  2. Buyer Details - GSTIN, legal name of business, registered address of business

  3. Note Details - Note Number, Date, Place of Supply, Original Invoice Note, Original Invoice Number

  4. Item Details - HSN / SAC Code, item name, quantity and UQC, item rate, taxable value

  5. Tax Details - tax rate, tax amount (CGST, SGST, IGST, UTGSTCess)

  6. Total value of supply of goods or services or both


To read more, refer to this article - What are the details required in a Debit Note & Credit Note under GST?