Standard input-output norms allow specified precursor imports for exported pharmaceuticals, subject to matching use and verification requirements.

Standard input-output norms under SION A-3690 link export of Betamethasone Valerate EP/BP/USP to a specified permitted import of the precursor Betamethasone; the provision, inserted by Public Notice, requires determination of the proportion of inputs for manufacture and obliges applicants to ensure imported goods are those used or required in the export product, subject to verification.

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