Remission of duty applications must include specified evidentiary documents and Cenvat reversal or risk rejection. Remission of duty for goods lost or destroyed by natural causes or unavoidable accident requires submission of a police statement/Panchnama within 24 hours, intimation to the Range office within 24 hours, details of precautions taken, a worksheet detailing loss (quantity, tariff, value and duty), particulars and disposal of salvaged goods, insurance surveyor report and claim documents, proof of reversal of Cenvat credit on inputs used in manufacture (with interest if applicable), and a declaration that duty remitted has not been claimed from the insurer. Applications must be filed within a reasonable time or risk rejection.