Financial systems are an absolute nightmare, so it doesn't surprise me that some oddball detail in a small country eludes tests. Pretty much every processor, ne

Financial systems are an absolute nightmare, so it doesn't surprise me that some oddball detail in a small country eludes tests. Pretty much every processor, network, and country has a million of those oddball details, and they change regularly. At work, the platform I have to deal with has dozens of fields on every request and response that are specific to Brazil!