14 C.F.R. § 31.63 Safety belts.
Title 14 - Aeronautics and Space
(a) There must be a safety belt, harness, or other restraining means for each occupant, unless the Administrator finds it unnecessary. If installed, the belt, harness, or other restraining means and its supporting structure must meet the strength requirements of Subpart C of this part. (b) This section does not apply to balloons that incorporate a basket or gondola. [Amdt. 31–2, 30 FR 3377, Mar. 13, 1965, as amended by Amdt. 31–3, 41 FR 55474, Dec. 20, 1976]
Title 14: Aeronautics and Space
PART 31—AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS
Subpart D—Design Construction
§ 31.63 Safety belts.