In this chapter, "legislative agency":
(1) means:
(A) the senate;
(B) the house of representatives;
(C) a committee, division, department, or office of the senate or house;
(D) the Texas Legislative Council;
(E) the Legislative Budget Board;
(F) the Legislative Reference Library;
(G) the office of the State Auditor; or
(H) any other agency in the legislative branch of state government; and
(2) does not include the Texas Ethics Commission.