Alabama Code Title 9. Conservation and Natural Resources § 9-17-64

(1) Pooling or unitization agreements affecting oil, gas and other minerals or any one or more of them, on, in or under lands within the jurisdiction of the Department of Conservation and Natural Resources so as to pool or unitize such interests in oil, gas and other minerals or any one of them with similar interests in other lands;  and

(2) Agreements with lessees amending existing leases so as to authorize lessees to pool or unitize the leases, the lands or minerals covered thereby or any part thereof with other leases, lands or mineral estates or parts thereof, and to add to or change any other provisions thereof in order to make such existing lease(s) similar on those points with the lease form then being used by the Commissioner of Conservation and Natural Resources in making leases of similar state-owned property, except that no such change or addition may be made which changes the number of years stated as the primary term, or the lease bonuses, delay rentals, royalties, or any other compensation to be paid under the terms of such existing leases.

All pooling or unitization agreements or agreements amending existing leases or any part thereof executed under the provisions of this section by the Commissioner of Conservation and Natural Resources must be approved in writing by the Governor.