<h1>Input-output norms require imported manufacturing inputs to match declared export product usage and adhere to prescribed proportions.</h1> Standard input-output norms under the Foreign Trade Policy prescribe allowable inputs and proportions for manufacture of Zinc Di Butyl D'thio Carbamate, list specific raw materials and weights per unit of finished product, and require applicants to ensure imported goods correspond to those used in the exported product and conform to declared proportions.