<h1>Standard input-output norms require imported inputs to match prescribed proportions and be used in export products.</h1> Standard Input-Output Norms list the chemical inputs and per unit quantities for manufacture of Naphthol ASPH and operate as the operative input schedule; applicants must use prescribed input proportions for different resultant products and ensure imported goods correspond to the inputs actually used or required in the declared export product, with verification that imports are consumed in the export product.