R29730 PosOperator - Pos Operator Code Cannot Be Changed

Code R29730
Entity Crm.Pos.Operators Entity
Name PosOperatorCodeCannotBeChanged
Attribute PosOperatorCode
Layer Back-End
Events Commit
Priority Normal
Modify NO
Applicable Legislations ALL // no condition needed
Action Validate that:

If (PosOperatorCode.DatabaseValue != Null)

then

PosOperatorCode == PosOperatorCode.DatabaseValue
Description It is not allowed to change the POS Operator Code in POS Operator unless it is NULL.
Message The field 'POS Operator Code' cannot be changed.
Introduced In Version 2019.1
Revocable NO

* For more information about the Business Rules Documentation Template and a short explanation of each column, see topic System Business Rules.