Currency ISO Codes 
Currency ISO codes are used to relate a currency used in your company to a standard ISO code. This ensures that the communications to business systems are able to use the standard ISO codes.
The sections below describe how to add and edit a currency ISO code.
Choose Setup in the toolbar at the top of the page.
On the Master Data tab, in the Master Data area, click Currency ISO Codes.
Choose the New button.
On the Creating: New Currency ISO Code page, fill in the fields with information about the currency ISO code.
Save your entries.
Choose Setup in the toolbar at the top of the page.
On the Master Data tab, in the Master Data area, click Currency ISO Codes.
On the Currency ISO Codes page, click the currency ISO code you want to edit.
On the Displaying: Currency ISO Code page, choose Edit in the toolbar.
Edit any fields.
Save your entries.