Annual amount should be deducted in 2 payslips only

Summary:

Content (please ensure you mask any confidential information):

Hello,

As per all the rates , we have a requirement where the amount should be deducted from the payslip for 2 months only ( if a new hire then consecutive two months , but if an existing employee then once i 6 months payslip ) i do not see any option which says consecutive two months ?

Version (include the version you are using, if applicable):

24C

Code Snippet (add any code snippets that support your topic, if applicable):