1.A credit note was issued in September 2020 of a product. How to show it in HSN Summary as no such product is sold in Current Month.?
2.credit notes in hsn wise summery include  credit note  relating to  previous month sales or only include credit note relating to current month sales?
3.debit notes in hsn wise summery include  debit note  relating to  previous month sales or only include debit note relating to current month sales?