Standard Input Output Norms require imported production inputs to match those used in exported optical brightening agents for compliance.

The document sets out Standard Input Output Norms under the Foreign Trade Policy for Optical Brightening Agent C.I. Fluorescent 251 (Assay 24%), listing constituent raw materials and prescribed proportions per kilogram of final product and noting alternatives for certain inputs. The schedule requires determinations of allowable input proportions for resultant products and imposes on applicants the responsibility to ensure imported goods are those used or required in the export product, tying admissible imports to actual use in manufacture.

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