New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 4-10.5

a. As used in this act:

“Director” means the Director of Consumer Affairs in the Department of Law and Public Safety.

“Roller skates” means a pair of devices worn on the feet with a set of wheels attached, regardless of the number or placement of those wheels, and used to glide or propel the user over the ground.

b. A person under 17 years of age shall not operate any roller skates or skateboard unless that person is wearing a properly fitted and fastened helmet which meets the standards of the American National Standards Institute (ANSI Z90.4 bicycle helmet standard), the Snell Memorial Foundation's 1990 Standard for Protective Headgear for Use in Bicycling, the American Society for Testing and Materials (ASTM) standard or other such standard, as appropriate.

c. The requirement in subsection b. of this section shall apply at all times while a person subject to the provisions of this act is operating roller skates or skateboarding on any property open to the public or used by the public for roller skating or skateboarding.