Rule to Replace Wage Type With Another Wage Type

I experts,

We have some issue regarding some statutory technical wage type. For example wage type /44A and /44B for some staff. I need to create simple rule to create wage type for example wt 9000 in infotype 15 and maintain the data for the staff involved.Can you assist me to create rule to replace wage type /44A and /44B with wage type 9000.

Thanks in advance