In this Chapter, the following definitions apply:
(1) Authorized Entity. Any holder of "PDD authorization", as that term is defined in 75 Pa. C.S. § 8511.
(2) Commissioner. The Commissioner of the Department of Streets, or Commissioner of Streets' designee.
(3) Hazard. A potential for harm to person or property.
(4) Personal Delivery Device or PDD. As defined in 75 Pa. C.S. § 8511, a ground delivery device that: (1) is manufactured for transporting cargo or goods; (2) is operated by a driving system that allows remote or autonomous operation, or both; and (3) weighs 550 pounds or less without cargo or goods.