17 CFR 242.818: Core Principle 1—Compliance with core principles.

(a) In general. To be registered, and maintain registration, as a security-based swap execution facility, the security-based swap execution facility shall comply with the core principles described in section 3D of the Act, and any requirement that the Commission may impose by rule or regulation.

(b) Reasonable discretion of security-based swap execution facility. Unless otherwise determined by the Commission, by rule or regulation, a security-based swap execution facility described in paragraph (a) of this section shall have reasonable discretion in establishing the manner in which it complies with the core principles described in section 3D of the Act.