Input-output norms require importers to match permitted input proportions and ensure imported inputs are used in exported product.

Standard Input-Output Norms for Direct Fast Black B (C.I. No. 27720) specify component quantities per kilogram of finished dye and note the product's suspension under Public Notice No. 03/2024-25. The rules require determination of permissible input proportions in manufacture and impose an obligation on applicants to ensure that goods sought for import and actually imported are those used or required in the export product, conforming to the prescribed input-output proportions.

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