All Parts Part 91 Subpart A—General § 91.5
§ 91.5

Pilot in command of aircraft requiring more than one required pilot

No person may operate an aircraft that is type certificated for more than one required pilot flight crewmember unless the pilot in command meets the requirements of § 61.58 of this chapter.

Sourced from eCFR · Title 14 CFR · for educational reference only — fly the latest regs.