Fetching IT0008 components for past months in HRFORMS payslip (smartform)

Hello All,

I will explain my issue by example.  Say a person joined company in mid-January 2014 with basic rate 5000.  Now his payslip shows basic rate as 5000.  In April 2014, his basic rate changes to 6000 with effect from January 2014.

Now I want that when this person's Jan-2014 payslip is checked using HRFORMS, basic rate should be 5000 (as in original payslip).  From where do you fetch 5000, since the value is over-written in Infotype.  Also IT0008 component (previous one, 5000) is not present in cluster.

Any guidance over this from someone who has worked on HRFORMS for payslip?

Regards

Ankit