<h1>Input-output norms require imported inputs for terephthalic polyester wire enamel to match prescribed component proportions and actual use.</h1> Standard input-output norms prescribe component composition and proportions for terephthalic polyester wire enamel, listing constituent chemicals and required weights per kilogram of finished enamel. A schedule provides that authorities will determine applicable input proportions for resultant products and requires applicants to ensure imported goods correspond to the inputs actually used or required in the export product for compliance.