Chapter 23 — Contracts
- §431 Contracts by Member of Congress
- §432 Officer or employee contracting with Member of Congress
- §433 Exemptions with respect to certain contracts
- §434 Repealed.
- §435 Contracts in excess of specific appropriation
- §436 Convict labor contracts
- §437 Repealed.
- §439 Repealed.
- §440 Mail contracts
- §441 Postal supply contracts
- §442 Government Publishing Office
- §443 War contracts