The referenced instrument is to be no callable prior to maturity and unconditionally guaranteed by the issuing bank.

所指票据，由开证行无条件地保证，到期前，不能支取。

youdao

WikiLeaks has yet to confirm that Bank of America is in fact the major U.S. bank that Assange referenced in my November interview with him, though he told IDG News in 2009 that he possessed a five gigabyte hard drive from Bank of America.

FORBES: Did Security Firms Pitch Bank Of America On Sabotaging WikiLeaks?