I would favor to keep the whole string, I might parse it using a regex to validate it, then retail store it in the normalized string. Determined by the scenario you describe, I would reject the transaction. It violates X12 requirements and would likely trigger faults for most EDI translators https://tarotbizumbarato67890.theobloggers.com/43007223/indicators-on-empresa-de-grúas-camión-en-mairena-del-aljarafe-you-should-know