The export contract is signed with payment by documentary credit agreed between the exporter and the foreign buyer
The buyer asks his bank to issue a letter of credit in favor of the exporter
The issuing bank asks its correspondent bank in the exporter's country to advise the credit
The advising bank sends a copy of the letter of credit to the exporter
The exporter dispatches the ordered goods
The exporter presents shipping documents (Bill of lading /invoices / certificates of insurance )to the advising bank