How to Export in Credit with Safe Payment Term. Exporting on credit through a Usance Letter of Credit (LC) allows exporters to offer buyers a payment period typically 30, 45, or 60 days while still securing payment assurance from the buyer’s bank. Once the shipment is done and documents are submitted, the bank guarantees payment after the agreed credit period. This method builds trust with international buyers, boosts competitiveness, and ensures cash flow security with minimal risk. It's a smar