California Code
ARTICLE 3.3 - Child Safety Belt and Passenger Restraint Requirements
Section 27368.

27368. This article applies to child passengers in a fully enclosed three-wheeled motor vehicle that is not less than seven feet in length and not less than four feet in width, and has an unladen weight of 900 pounds or more.

(Added by Stats. 1997, Ch. 710, Sec. 3. Effective January 1, 1998.)