Chapter 6. Police and Firefighters Medical Care Recovery. § 5–601. Definitions. § 5–602. Right of District to recover. § 5–603. Enforcement of right. § 5–604. Lien. § 5–605. Promulgation of rules and regulations by Mayor. § 5–606. Compromise, release or waiver of claim. § 5–607. Effect of chapter on other rights of recovery. § 5–608. Injuries or diseases received or contracted prior to enactment of chapter. § 5–609. Appropriations authorized.