Solution : https://service.sap.com/sap/support/notes/368473 (SAP Service marketplace login required)
Key words :
terms sapmf02ksapmf02dbas_settingspostal check reason, vendor masters valid prior, transaction-dependent controlling, transaction-specific control, postal code length, country field checks, postal code field, required field control, country-specific customizing, vendor masters
Related Notes :
| 386182 | Postal code as required entry field; from Release 4.6 |
| 170183 | |
| 153264 | Postal code field as a required entry field |