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S.A.C. Provision Calculation 
The process carried out by the system for the S.A.C. provision calculation is basically the same as the S.A.C. payment calculation.
The only differences between the two processes are:
● The S.A.C. provision is calculated all of the months for the period of time of the term completed (including June and December).
● The S.A.C. provision calculation result is stored in wage type /S01.
● The S.A.C. provision is not calculated in retroactive accountings.
The function that calculates the Annual Extra Payment, always calculates the difference between the current provision and the one calculated previously and stores it in the Provision difference wage type for FI/CO (/S05).
This is done for accounting purposes.
In June and December the provision calculation (/S01) is the same as the S.A.C. calculation (/S02) and therefore you guarantee the accounting balance in FI/CO.
