In this subchapter:
(1) "Designation program" means the designation program established under this subchapter.
(2) "Declared disaster" means:
(A) a disaster declared by the president of the United States;
(B) a state of disaster declared by the governor under Section 418.014; or
(C) a local state of disaster declared by the presiding officer of the governing body of a political subdivision under Section 418.108.