Receipts on quantity based purchase orders

Content

We use encumbrance accounting and have budgetary control enabled as well. Procurement team has issues with how the receiving works and getting money released on obligations. For example, a user creates requisition buying 1 item (good) for $1,000 and enters a receipt quantity of 1. When the invoice arrives, total amount is $979, which results in a quantity of slightly less than one. The obligation balance is not released with final close because now the quantity delivered is greater than quantity billed. We cannot find any easy way to ensure that the PO is closed and the remaining obligation is