<h1>Foreign Trade Policy sets component limits and allowed imports per kg for metallic zippers, with type-specific restrictions</h1> Standard input-output norms under the Foreign Trade Policy set permissible import components and proportions for metallic zippers (open/closed end), listing allowable inputs and quantities per kg of export: relevant metal wire 1.06 kg, polyester yarn 1.05 kg (beaded 1.02 kg), dyes 2.5% of yarn weight, sliders and pin/box net content plus 1% wastage, top/bottom stop metallic wire 1.06 kg, and strain tape 1.02 kg. Imports of specific items are restricted by zipper type (bottom stop prohibited for open-end; pin/box and strain tape allowed only for open-end). Applicants must ensure imported goods match those used in the export product.