The UN/ECE 4461 codelist for Payment Means is widely used (EDIFACT, UBL …).
Today, for developing purposes, I need a mapping between both and, I didn’t found «googleing» by Internet. So, i write a preliminary mapping using the published spreadsheet by CEN BII.
I’ve also published as a Google Docs Spreadsheet. It’s a editable document, so I hope that together we can keep improving this preliminary version.