(a) A grant provided under Section 411.4015 may only:
(1) be used for the planning, development, provision, enhancement, or ongoing maintenance of an interoperable statewide emergency radio infrastructure;
(2) be used in accordance with the statewide integrated public safety radio communications plan developed under Subchapter F, Chapter 421;
(3) be used for the development of a regional or state interoperable radio communication system;
(4) be made to:
(A) regional councils of government that have entered into interlocal agreements authorized under state law; and
(B) state agencies requiring emergency radio infrastructure; or
(5) be used for other public safety purposes.
(b) A grant provided under Section 411.4015 may not be used to purchase or maintain radio subscriber equipment.