Input-output compliance: imported inputs must match prescribed proportions and actual use for export products under FTP. The Foreign Trade Policy prescribes input output norms and composition specifications for a 40 W twin tube box type industrial fitting and records component counts and materials; the item is suspended by Public Notice. Authorities determine permissible proportions of various inputs for different resultant export products, and applicants importing goods must ensure imported items are those actually used or required in the declared export product, complying with the prescribed input proportions.