<h1>Input-output norms require imported chemical inputs to match declared use for exported products under FTP compliance.</h1> Input-output norms prescribe specific input proportions for Ortho Chloro Phenol-specifying required amounts of Phenol and Per Chloro Ethylene per unit of product-and require applicants to determine and certify the proportion of inputs used in manufacture, ensuring imported goods correspond to those actually used or required in the exported product.