Reflectorized warning devices used by law enforcement must:

(1) Conform to those devices described in RCW 46.37.450 and requirements of the Washington state department of transportation standard specifications for road, bridge, and municipal construction, Section 9-28.6, "Enclosed lens reflective sheeting." These specifications are available through the Washington State Patrol, 210 11th Avenue, Olympia, Washington 98504, or the Washington State Department of Transportation, 310 Maple Park Avenue, Olympia, Washington 98504.

(2) Be placed on a vehicle whenever any such vehicle is disabled upon the traveled portion of any highway or shoulder thereof outside any municipality, at any time when lights are required by RCW 46.04.200, upon discovery of such disabled vehicle by law enforcement, a reflectorized device such as those defined in RCW 46.37.450 or this section.