Revenue/expense from revaluation (UMB) This transaction/event key is used both in Inventory Management and in Invoice Verification if the standard price of a material has been changed and a movement or an invoice is posted to the previous period (at the previous price). Expenditure/income from revaluation (UMD) This account is the offsetting account for the … Continue reading MMFI OBYC – Diff. between UMB, UMD and BSX, BSD