Inverted duty structure means Input Tax Credit is accumulated on account of , higher rate of Tax on Inward supply (purchase) than Outward Supply (Sales ) i,e Purchase of Goods 18% , Sales for 12% .
The GST rate paid on purchases is more than the GST rate payable on sales. Archit Gupta. Under GST, the term 'Inverted Tax Structure' refers to a situation where the rate of tax on inward supplies (purchases) is more than the rate of tax on outward supplies (sales).