1. The provider and lessee sign a document of agreement, after which the lessee's bank will send a SWIFT MT799 proof of funds to the provider's bank within 2 banking days acknowledging the ability to deliver a bank guarantee. 2. Within 3 banking days of receiving the SWIFT MT799 pre-advice, the provider will respond with a SWIFT MT799 pre-advice. 3. The lessee's bank will then issue an irrevocable conditional bank pay order to the provider's bank within 2 banking days, and the provider's bank will subsequently issue a SWIFT MT760 bank guarantee to the lessee's bank for confirmation.