Line of credit for export finance: government-backed LOC sets sourcing, reporting and remittance compliance for exporters. Government-supported Line of Credit for procurement of defence vessels requires eligible exports under the Foreign Trade Policy, mandates that at least seventy-five percent of contract value (including consultancy) be supplied from India with limited foreign procurement for non-consultancy goods, prescribes distinct deadlines for opening letters of credit and disbursement depending on contract type, requires declaration of shipments on prescribed export forms, disallows agency commission under the LOC while permitting exporter-funded commission under prevailing remittance rules, and directs authorised dealers to inform exporters and obtain LOC details; directions issued under the foreign exchange management statute.