ISO 20022 business rules
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      Currency Decimals

      Currency Decimals

         

      Overview

      When declaring amounts in ISO 20022 payment files, the maximum number of digits after a decimal separator depends on the currency in question.

      Currency Codes and maximum number of digits are defined in ISO 4217

      The vast majority of currencies limit maximum digits in decimal to 2. Examples of these currencies inlcude: USD, EUR, CAD, GBP, NOK

       

      Behaviour in validation

      When a payment file contains too many digits after a decimal separator, following type of an error is given:

      "Too many decimal digits given. Maximum of 2 may be present for the given currency.”

      Valid examples:

      <InstdAmt Ccy="EUR">10.21</InstdAmt>

      <InstdAmt Ccy="EUR">10.2</InstdAmt>
      <InstdAmt Ccy="EUR">10</InstdAmt>

          Invalid examples (Returns error)

          <InstdAmt Ccy="EUR">10.403</InstdAmt>



          Further reading

          ISO 4217: https://www.iso.org/iso-4217-currency-codes.html

          Wikipedia: en.wikipedia.org/wiki/ISO_4217