means -
(a) the provision of banking services by one bank as the correspondent to another bank as the respondent, including providing a current or other liability account and related services, such as cash management, international funds transfers, cheque clearing, payable-through accounts and foreign exchange services, or
(b) the relationships between and among credit institutions and financial institutions including where similar services are provided by a correspondent institution to a respondent institution, and including relationships established for securities transactions or funds transfers