Requirement of HSN Code for Goods and Services on Tax Invoices is mandatory w.e.f April 01, 2021. Aggregate Turnover Up to ₹ 5 Crores in the Preceding FY* Aggregate Turnover More than ₹ 5 Crores in the Preceding FY* HSN code of 4 digits is mandatory for all the B2B tax invoices and optional for […]