MS HB1204

Creates the misdemeanor offense of child endangerment for parents, guardians, or other persons who allow children under 18 to operate all-terrain vehicles without a crash helmet meeting National Highway Traffic Safety Administration standards.

Prohibits allowing children to operate all-terrain vehicles that do not meet the manufacturer's minimum age and maximum rider recommendations for the specific vehicle type and model.

Establishes penalties of up to $1,000 in fines, up to 6 months in county jail, or both for violations.

Defines "all-terrain vehicle" as motorized off-road vehicles that are 60 inches or less in width, weigh 750 pounds or less, travel on three or more low-pressure tires, have a straddled seat, and use handlebars for steering.

Takes effect July 1, 2010.