<h1>Input usage verification requires importers to match imported components to those actually used in manufactured export products.</h1> Cast Resin Straight joints (item C165) are listed with a detailed bill of materials and are suspended by Public Notice No. 03/2024-25. Determination of the proportion of various inputs requires applicants to establish and comply with prescribed input proportions for manufacture and to ensure that imported goods correspond to the inputs actually used or required in the exported product.