<h1>Standard input-output norms require imported inputs to match actual usage in export product under foreign trade policy.</h1> Standard input-output norms under the Foreign Trade Policy set specified proportions and conversion measures for inputs used in manufacture of erythromycin derivatives. Applicants must ensure imported goods conform to those prescribed proportions and are the inputs actually used or required in the declared export product, with determination and verification of input proportions linking import entitlement to actual utilisation in export manufacture.