<h1>Foreign Trade Policy input-output norms for 4-pentenoic acid: allowed inputs, specified quantities, suspension and usage verification requirements</h1> Standard input-output norms under the Foreign Trade Policy for 4-pentenoic acid (A2700) list allowed input materials and specified quantities-4-pentenoic acid (1 kg), triethyl ortho acetate (2.188 kg), and allyl alcohol (0.938 kg)-and note the item's suspension per the referenced public notice. The schedule requires determination of proportions of inputs usable or required for manufacturing resultant products and obliges applicants to ensure that imported goods are those actually used or required in the exported product.