US lawDistrict of ColumbiaStatutesTitle 50 — Motor and Non-Motor Vehicles and Traffic.Chapter 16A. General Helmet Use.50-1652D.C. Code § 50-1652Applicability.Last amended: 2005Year: 2026Length: 18 wordsOfficial source The penalties provided for in § 50-1651(b) shall not be enforced until 90 days after March 16, 2005.PreviousD.C. Code § 50-1651