Offsetting of export proceeds requires exporter declaration and documented RBI permission before applying receipts against specified liabilities. Certificate requires exporter details, selected mode of offsetting, and export transaction particulars; an exporter declaration accepts legal compliance and confirms RBI permission for offsetting. An annexed Chartered Accountant/Cost Accountant certificate must verify examination of export documents, confirm RBI consent and regulatory conformity, declare no conflict of interest, and list required enclosures including the RBI permission and buyer/parent company letter.