Ala. Code § 41-18-3
Nothing contained in the southern growth policies agreement, as enacted by this chapter, shall in any event be construed to terminate the participation of this state with any state which adopted the southern growth policies agreement prior to October 10, 1975; except, that the provisions of article XII (c) shall govern with respect to the continuance of states as parties thereto after December 31, 1977.
No section, article or provision contained in this chapter shall be construed so as to prohibit, restrict or restrain the actions of any individual member state or the actions of any county or municipal government within the boundaries of any individual member state, nor shall any delegate from the State of Alabama be authorized by this legislature to cast any vote that would in any manner restrict the sovereign rights presently granted to or retained by this state under the United States Constitution, or the rights of any local governments granted by the Constitution of the State of Alabama or by statutory acts of the Legislature.
Ala. Code § 41-18-3 (1975)