Sec. 4. (a) This article does not apply to any of the following agencies:
(1) The governor.
(2) The state board of accounts.
(3) The state educational institutions.
(4) The department of workforce development.
(5) The unemployment insurance review board of the department of workforce development.
(6) The worker's compensation board of Indiana.
(7) The military officers or boards.
(8) The Indiana utility regulatory commission.
(9) The department of state revenue (excluding an agency action related to the licensure of private employment agencies).
(10) The department of local government finance.
(11) The Indiana board of tax review.
(12) The Indiana department of veterans' affairs.
(13) The Indiana veterans' affairs commission.
(b) This article does not apply to action related to railroad rate and tariff regulation by the Indiana department of transportation.