Input-output norms require specified component proportions and verification that imported inputs are used in exported products.

Prescribes input-output norms for an antioxidant blend of mixed tert-butyl phenols (25%) and N,N-di-sec-butyl-p-phenylene diamine (75%), notes suspension of the entry by public notice, specifies component quantities per kilogram and required input proportions, and requires applicants to ensure imported goods correspond to inputs used or required in the exported product.

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