# Part 517 - Special Contracting Methods

- Subpart 517.1 - Multi-year Contracting

  - 517.101 Authority.

  - 517.103 Definitions.

  - 517.109 Contract clauses.

- Subpart 517.2 - Options

  - 517.200 Scope of subpart.

  - 517.202 Use of options.

  - 517.203 [Reserved]

  - 517.204 Contracts.

  - 517.207 Exercise of options.

  - 517.208 Solicitation provisions and contract clauses.

- Subpart 517.5 - Interagency Acquisitions

  - 517.502 Procedures.

    - 517.502-70 Information Technology Procurements.