14 CFR § 29.1194
Other surfaces
July 13, 2020
All surfaces aft of, and near, engine compartments and designated fire zones, other than tail surfaces not subject to heat, flames, or sparks emanating from a designated fire zone or engine compartment, must be at least fire resistant.
[Amdt. 29-3, 33 FR 970, Jan. 26, 1968]