The fourth zone, the mountain standard time zone, includes that part of the United States that is west of the boundary line between the central and mountain standard time zones described in § 71.7 and east of the boundary line between the mountain and Pacific standard time zones described in § 71.9.
authority: Secs. 1-4, 40 Stat. 450, as amended; sec. 1, 41 Stat. 1446, as amended; secs. 2-7, 80 Stat. 107, as amended; 100 Stat. 764; Act of Mar. 19, 1918, as amended by the Uniform Time Act of 1966 and Pub. L. 97-449,
15 U.S.C. 260-267; Pub. L. 99-359; Pub. L. 106-564,
15 U.S.C. 263,
114. 2811;
49 CFR 1.59(a), unless otherwise noted
source: Amdt. 71-11, 35 FR 12318, Aug. 1, 1970, unless otherwise noted.
cite as: 49 CFR 71.8