Subchapter II. Natural Death. § 7–621. Definitions. § 7–622. Declaration — Execution; form. § 7–623. Declaration — Restrictions. § 7–624. Declaration — Revocation. § 7–625. Physician’s duty to confirm terminal condition. § 7–626. Competency and intent of declarant. § 7–627. Extent of medical liability; transfer of patient; criminal offenses. § 7–628. Exclusion of suicide; effect of declaration upon issuance. § 7–629. Preservation of existing rights. § 7–630. Effect of subchapter.