Holidays based on Employee Sub Group Grouping.

In my clients place we have a requirement to setup holiday calendar based on employee sub group grouping. So that mean that employees who belong to same personal sub area grouping for Work schedules should have different holiday calendar based on employee sub grouping for work schedules.

The issue is that holiday calendar assignment is done based on Personnel Area and Personnel Sub Area. Am sure we should have a way out for same, please guide.

For Clarity below is an example:

Personal Area - Mumb

Personal SubArea - 001

Employee Group - FT ( Full Time )

Employee Sub Group - OL ( Old Employee joined before a date )

Employee Group - FT ( Full Time )

Employee Sub Group - NE ( Employee joined after a given date ).

Personal Area - MUMB/001 will have employee's in both employee sub group grouping.

The issue is that client wants that employee belonging to employee sub grouping NE should assigned to a different holiday calendar than one assigned to employee sub grouping OL although both work in same personal area/subarea.

Please advice.

Thanks

Priyanka