A sight bill is the one whcih is paid immediately after the reciept of goods and Bills by the importer say in 7 working days
A Usance bill in one which has agreed upon credit period given by the exporter to the importer.importer accepts the bills and pays for the bills on the maturity date
A Usance bill in one which has agreed upon credit period given by the exporter to the importer.importer accepts the bills and pays for the bills on the maturity date