14 C.F.R. § 25.793 Floor surfaces.
Title 14 - Aeronautics and Space
The floor surface of all areas which are likely to become wet in service must have slip resistant properties. [Amdt. 25–51, 45 FR 7755, Feb. 4, 1980]
Title 14: Aeronautics and Space
PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
Subpart D—Design and Construction
Personnel and Cargo Accommodations
§ 25.793 Floor surfaces.