For the purposes of this chapter, the term: (1) "Authorized resident" means a District resident who was listed on a block party preauthorization application, as described in § 9-632.01(b)(2), that has been approved by the Department and can submit an expedited block party application for a preauthorized block on which they reside. (2) “Block party” means an activity of a recreational or civic nature sponsored by the residents of a neighborhood, for which the residents seek to close a block of a street in their neighborhood and for which there is no admission or entrance fee. (3) “Department” means the District Department of Transportation. (4) "Preauthorized block" means a section of roadway for which an authorized resident can submit an expedited block party application following the approval of a block party preauthorization application as described in §§ 9-632.01 and 9-633.