Plan/Program configuration for two sets of employees

Summary:

We have to define Plan/Program configuration for two sets of employees, only difference is the pay period for these employees. One set of employee have weekly pay periods and all plan/program definition is setup and working fine. Now we need to get another set of employees which will have same plans/rates/eligibility accept that these employees have bi-weekly pay period. Looking for recommendation on how to define Plan/program etc for these new employees. How much of the current setup can be used.

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