-Documentary Credits : A letter of pledge issued by the bank ,based on   the request of one of its importing customers (the buyer), in which the bank undertakes to pay the amount or authorization of another bank to pay or accept withdrawals in favor of the beneficiary, the source (the supplier) in return for receiving documents identical to the agreed terms and conditions In dependence.

And the documents required for the purposes of opening the credits shown below:

1. Request for opening an accreditation

2. Approval

3. Undertaking

4. Opening of accreditation form

5. Accreditation contract

6. Initial invoice

7. Contract between the converter and the supplier

8. Import license

9. Certificate of origin

10. Bill of lading

11. Insurance policy

12. Commercial invoice

13. Caricature

14 . The introduction of goods