ISO 4217 is a staundart published bi the Internaitional Staundarts Organization, which delineates siller designators, kintra codes (alpha an numeric), an references tae minor units in three tables:
- Table A.1 – Current siller & funds code leet
- Table A.2 – Current funds codes
- Table A.3 – Leet o codes for historic denominations o sillers & funds 
The tables, history an ongangin discussion is maintained bi SIX Interbank Clearing.
The ISO 4217 code leet is uised in bankin an business globally. In mony kintras the ISO codes for the mair common sillers are sae weel kent publicly that exchynge rates published in newspapers or postit in banks uise anly thir tae delineate the different sillers, insteid o translatit siller names or ambiguous siller seembols. ISO 4217 codes are uised on airline tickets an internaitional train tickets tae remove ony ambiguity aboot the price.