I know this seems like a trivia question, but recently I have come across a number of clients who have been using Microsoft Dynamics GP for a number of years and have been told by their former partners that they *must* use the predefined currency IDs created after adding the sample company, with no real explanation to support these claims. Case in point, my new client in Saudi Arabia, has been struggling for years to understand why they were told to prefix all currency IDs with the "Z-". So they went ahead and setup "Z-SR" for the Saudi Real. If you are familiar with Microsoft Dynamics GP and the sample company, Fabrikam, you may have noticed by now that after adding the sample company (which is not a requirement by any means), you will get a number of predefined currencies such as Z-US$ (US Dollars), Z-UK (British Pounds), Z-C$ (Canadian Dollars), Z-AUD (Australian Dollars), and so forth, accompanied by a number of exchange rate tables. If you are not familiar wi...