MUC_ID_RETRO is an optional field which provides any User Calcs associated with this retro pay. User Calcs are ‘only’ used for retro on ‘non-earnings’ [pay components|PAY COMPONENTS] such as Benefits or an increase in a deduction. This feature is rarely used and [UPRETRO] is more commonly used to compute an increase in ‘Earnings’ into the past. 


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![Notes|Edit:Internal.MUC_ID_RETRO] 	
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