Input-output norms require specified inputs for optical brightener manufacture and mandate imported goods match export use.

Standard Input-Output norms set the required inputs and weight proportions for manufacture of Optical Brightner (C.I. Flourescent Brightener 220) (Assay 80%) under SION A763, including listed alternative raw materials. Applicants must ensure imported goods match the listed inputs and proportions actually used in the export product, with verification of input proportions to confirm import-use alignment.

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