(a) In this section:
(1) "Political subdivision" includes a county, a joint board created under Section 22.074, Transportation Code, and a municipality.
(2) "Special event" means a festival, celebration, or other gathering that:
(A) involves:
(i) the reservation and temporary use of all or a portion of a public park, road, or other property of a political subdivision; and
(ii) entertainment, the sale of merchandise, food, or beverages, or mass participation in a sports event; and
(B) requires a significant use or coordination of a political subdivision's services.
(b) Except as provided by Subsection (c), a political subdivision may not adopt or enforce any ordinance, order, or other similar measure regarding the operation of an unmanned aircraft.
(c) A political subdivision may adopt and enforce an ordinance, order, or other similar measure regarding:
(1) the use of an unmanned aircraft during a special event;
(2) the political subdivision's use of an unmanned aircraft; or
(3) the use of an unmanned aircraft near a facility or infrastructure owned by the political subdivision, if the political subdivision:
(A) applies for and receives authorization from the Federal Aviation Administration to adopt the regulation; and
(B) after providing reasonable notice, holds a public hearing on the political subdivision's intent to apply for the authorization.
(d) An ordinance, order, or other similar measure that violates Subsection (b) is void and unenforceable.