<h1>Input-output norms require imported inputs to match those used in the export product, with proportions determined under policy.</h1> Prescribes standard input output norms for imports used in manufacture of export products, illustrated by an Ultrasonic Plastic Welding Machine entry with a specific bill of materials. Applicants must ensure imported goods are those used or required in the export product and that proportions of inputs are determined and adhered to for verification under the policy.