<h1>Standard input-output norms require imported inputs to match those used in manufacturing export products, enforcing input proportion controls.</h1> Standard input-output norms require applicants to determine and document the proportion of various inputs used in manufacture of export products and to ensure that imported goods correspond to the inputs actually used or required in the export product, with specified weight norms for items such as Frame Lock, CRCA/HR sheet/coil and MS rounds/rod.