(i)The use of oversnow vehicles in Yellowstone National Park is subject to §§ 2.18(a) and (c), but not subject to §§ 2.18(b), (d), (e), and 2.19(b) of this chapter.
(13)The use of oversnow vehicles in Grand Teton is subject to § 2.18(a), (b), and (c), but not subject to § 2.18(d) and (e) and § 2.19(b) of this chapter.