Chapter 5. Simultaneous Deaths; Uniform Law. § 19–501. Definitions. § 19–502. Requirement of survival by 120 hours under probate laws. § 19–503. Requirement of survival by 120 hours under governing instruments. § 19–504. Co-owners with right of survivorship; requirement of survival by 120 hours. § 19–505. Evidence of death or status. § 19–506. Exceptions. § 19–507. Protection of payors, bona fide purchasers, and other third parties; personal liability of recipient. § 19–508. Uniformity of application and construction. § 19–509. Application to existing relationships.