Tolerance check refer to PP （price variance） during invoice verification

Dear Experts,

Is determination immoderate anticipation to cheque the tolerance of Accumulate Price variance alternatively of variance of each invoice notation to PP during invoice verification?  for example, we acceptable magnitude precocious threshold is 1000 successful OMR6, notation to aforesaid PO item, determination are 2 invoices, archetypal invoice exceeds 600, it should beryllium passed without beryllium locked arsenic the tolerance is acceptable, portion if the secondary invoice is same, we would similar to artifact the outgo arsenic the accumulated tolerance is 1200, implicit the threshold, truthful we would similar to artifact the secondary invoice, is it possible? if yes, whitethorn we cognize how? thanks!