Which of the following is not correct? O A. All letters of credit are irrevocable pursuant to the UP Rules. O B. An exporter presenting documents under a letter of credit cannot expect to receive payment from the corresponding bank until the importer has received the goods in the destination country O C. A letter of credit must specify the period of time in which documents must be presented for payment, acceptance, or negotiation. O D. All letters of credit are irrevocable so that the commitment of an issuing bank is binding, provided that the correct documents are presented on time. O E. An exporter will always prefer a letter of credit that provides for a confirming bank, although this will increase the cost of the letter of credit to the importer.