Standard Input-Output Norms govern permissible raw material proportions and require import-use verification for pigment manufacture.

Standard Input-Output Norms set prescribed chemical inputs and their normative proportions for manufacture of Pigment Yellow 127 (98% pigment content) and note that the entry is suspended by Public Notice. The rule requires determination of permissible input proportions for resultant products and obliges applicants to ensure imported goods are those actually used or required in the export product, creating a verification duty under the Foreign Trade Policy.

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