Supplementary drawback claims require exporter, shipment, prior-payment and revised-rate particulars, supported by calculations and duty rebate declarations.

Supplementary drawback claims under Rule 15 applied where drawback already received was lower than the rate finally fixed by the Government. The prescribed application required exporter, goods, shipment, vessel, prior drawback payment, and additional claim particulars, along with reasons for the claim. The claimant had to declare that duties paid on raw materials used in exported goods had not been claimed as Central Excise rebate, and provide rate-determination communications, supporting documents, and a calculation sheet.

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