October 13, 2022 23:44 Updated Follow Yes, an open Purchase Order (PO) is a valid reason for encumbering fund. Related articles Are encumbrances required? Can you carry encumbrance’s multi-year when there is a contract? How do we handle an interfund loan between MVH and MVH restricted? State/ Federal reimbursement grants: Do we need an appropriation? (Ex. Homeland Security) Do counties use purchase orders?