Standard Input-Output Norms for Schaeffers Acid set the permitted import ratio for Beta Naphthol in export manufacture. Standard Input-Output Norms are prescribed for Schaeffers Acid under the Chemical and Allied Products category, providing that the export product of 1 kg corresponds to an import entitlement of 0.74 kg of Beta Naphthol. The norm reflects the determination of the proportion of inputs usable or required in the manufacture of the resultant export product, and applicants must ensure that the goods sought for import and actually imported are those used or required in the export product.