All Questions › Category: GST Compliances › ABOUT E-COMMERCE OPERATOR TAX LAVY AND GSTR FORMS TO FILL 0 Vote Up Vote Down Sagar bhardwaj asked 7 years ago ABOUT E-COMMERCE OPERATOR TAX LAVY AND GSTR FORMS TO FILL Dear mam please tell me hsn wise sale are mandatory to be given in GSTR-???? Answer the question 1 Answers 0 Vote Up Vote Down Deepak Bholusaria, CA answered 7 years ago Yes! If HSN codes not applicable, then Description of supply to be mentioned in returns.