<h1>Input-output compliance: ensure imported materials match the proportions and types required for the export product under FTP norms.</h1> Standard Input-Output Norms require determination of permissible proportions of various inputs for manufacture of copper-based pre-alloyed products and impose an applicant obligation to ensure that imported goods are those actually used or required in the export product, thereby linking imported inputs to export-product composition and conformity with the schedules.