The finance team wants to prevent supplier invoices from posting to a period that has completed month- end close. Which control is most directly relevant?

In Workday, closing an accounting period changes its status to prevent any new operational or journal transactions, including supplier invoices, from being posted to that specific timeframe. This is the primary system control used during the month-end close to lock down financial data, enforce cutoff rules, and ensure the integrity of the finalized financial statements for that period.

B. Removing supplier security would prevent users from accessing supplier data entirely, disrupting normal business operations rather than just controlling period posting.
C. Changing the supplier category only alters the classification of the vendor, which has no effect on period-close posting controls.
D. Disabling financial reports prevents users from viewing data but does not stop transactions from actually posting to the ledger.

1. Workday Administrator Guide: Record to Report -> "Close an Accounting Period" section.

2. Workday Administrator Guide: Record to Report -> "Ledger Period Statuses and Controls" section.