Commercial terms & deal structure · Core
Purchase order
Also called: PO
ELI5
A buyer-issued document authorising purchase of specified goods or services.
Used in conversation
“Which version of purchase order should the board treat as current?”
Pitch context
You will see “Purchase order” in go-to-market plans, sales forecasts, account reviews and commercial proposals when the discussion reaches commercial terms & deal structure.
Why it matters: In commercial terms & deal structure, a loose definition can change rights, obligations, approval, disclosure or enforceability.
Caution
Meaning, enforceability and required process vary by jurisdiction and agreement; this definition is not legal advice.
Connected terms
- InvoiceA purchase order authorises or records a buyer’s order; an invoice is the seller’s request for payment after or around supply.
- Product ownerThe search label “PO” can route to both entries.
Sources & evidence · 7
Direct term-level sources and supporting source families.
- OECD — G20/OECD Principles of Corporate Governance 2023Direct source · institutional · checked 2026-08-16
- U.S. Acquisition.gov — Federal Acquisition Regulation Part 15 — Contracting by NegotiationDirect source · primary · checked 2026-08-16
- UK Government — Groceries Supply Code of PracticeDirect source · primary · checked 2026-08-16
- U.S. Small Business Administration — Write your business planSupporting source family · primary · checked 2026-08-16
- IFRS Foundation — IFRS GlossarySupporting source family · primary · checked 2026-08-16
- U.S. Securities and Exchange Commission — EDGAR and filing resourcesSupporting source family · primary · checked 2026-08-16
- National Institute of Standards and Technology — Computer Security Resource Center GlossarySupporting source family · primary · checked 2026-08-16