Wage Types in Change Validation 
Use
The Interface Toolbox processes wage types and the accompanying wage type tables separately during change validation.
Just as the Interface Toolbox processes
regular tables in change validation, you can also run change validation for wage type tables. The system only exports the wage types to the third-party system if they have changed from one data export to another.The following topics are important for using this transaction:
Features
The following functions are available for wage types in change validation:
The functions are only valid for wage types.
You can use the following change validation functions to process wage types. The functions have modified or restricted processing rules.
The following functions cannot be used in connection with the change validation:
The explicit definition of key fields is not possible for wage types. The wage type name (LGART) is always used as the key field.
Prerequisite
You have assigned the individual wage type to the relevant interface format using the
Restrictions function for field objects in the Interface Format. In this assignment, you have activated one of the wage type options for retroactive accounting (R1 to R4) for each wage type to be included in change validation.If you have not entered restrictions, all wage types will be exported with wage type option R1.