Approvals of lighting devices or other safety equipment, components, or assemblies remain valid unless revoked under section 39-21-31 or unless the department requires them to be renewed by regulation.
N.D.C.C. § 39-21-30.1
Approvals of lighting devices or other safety equipment, components, or assemblies remain valid unless revoked under section 39-21-31 or unless the department requires them to be renewed by regulation.
N.D.C.C. § 39-21-30.1