Code of Alabama
Chapter 3 - Cession of Land by State.
Section 42-3-3 - Reservation of Rights, etc., by State.

The jurisdiction heretofore ceded to the United States over any lands acquired by it within the State of Alabama, with the consent of the state, shall be subject to such reservations, restrictions and conditions as provided in the act or instrument of cession relating to such acquisition and shall be subject to the exercise by the state of such jurisdiction, rights, privileges or powers as may now or hereafter be ceded by the United States to the state. The jurisdiction ceded to the United States over any lands hereafter acquired by it within the State of Alabama, with the consent of the state, pursuant to the provisions of this title or any other law of the state, unless otherwise expressly provided in the act or instrument of cession, shall be subject to the following reservations, restrictions or conditions:
(1) The jurisdiction so ceded shall not prevent the execution upon such lands of any process, civil or criminal, issued under the authority of this state, except as such process might affect the property of the United States thereon.
(2) The state expressly reserves the right to tax all persons, firms, corporations or associations now or hereafter residing or located upon such lands.
(3) The state expressly reserves the right to tax the exercise by any person, firm, corporation or association of any and all rights, privileges and franchises upon said lands, and to tax property of all persons, firms, corporations or associations situated upon such lands.
(4) The jurisdiction ceded to the United States shall be for the purposes of the cession and none other and shall continue during the time the United States shall be or remain the owner thereof and shall use such lands for the purpose of the cession.
(5) The state expressly reserves the right to exercise over or upon any such lands any and all rights, privileges, powers or jurisdiction which may now or hereafter be released or receded by the United States to the state.