South Dakota Codified Laws
Chapter 28A - Hazardous Material Transportation Safety
Section 49-28A-3.2 - Application of federal hours-of-service regulations to gas or electric utility service vehicles.

49-28A-3.2. Application of federal hours-of-service regulations to gas or electric utility service vehicles.
Hours-of-service regulations promulgated by the United States Department of Transportation at 68 Federal Register 22456, in April 2003, (Federal hours-of-service amendments) shall apply to utility service vehicles owned or operated by gas or electric utilities while engaged in intrastate commerce within this state, on or after January 1, 2006. However, hours-of-service regulations that were applicable in the State of South Dakota immediately prior to January 4, 2004, shall remain applicable to gas or electric utility service vehicles until January 1, 2006.

Source: SL 2004, ch 282, ยง2.