In order to examine theories of domestic and international trade in banking, information is presented in this paper on the vast array of service charges banks levy on their customers, both resident and non‐resident, and the complex of interest rates on deposits and loans that must be collected. Examination is also necessary of collection procedures of the various charges which central banks levy on banks, as well as interest rates paid on reserves, insurance premia on deposits and the like in order to test propositions that international trade in banking is a function of the various monetary policies followed by Monetary Authorities.