<h1>Input-output norms for camphene require specific input proportions and that imported inputs match uses in the exported product.</h1> Standard input-output norms for camphene specify permissible input proportions and identify Gum Turpentine Oil (alpha-pinene) as an input. Applicants must determine and verify input proportions used in manufacture and ensure that imported goods are those used or required in the export product, to meet export compliance under the Foreign Trade Policy.