Commercial agreements & supporting documents · Working
Rider
Also called: contractual rider
ELI5
An attached document adding specialised terms to a contract.
Used in conversation
“Which version of rider should the board treat as current?”
Pitch context
You will see “Rider” in board papers, contracts, policies, risk registers and compliance reports when the discussion reaches commercial agreements & supporting documents.
Why it matters: In commercial agreements & supporting documents, 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.
Sources & evidence · 5
Direct term-level sources and supporting source families.
- 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
- OECD — G20/OECD Principles of Corporate Governance 2023Supporting source family · institutional · 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