Ala. Code § 37-4-93
In order to determine whether or not each such pipeline facility is operating in compliance with the required safety standards and to enforce such compliance, the Alabama Public Service Commission shall have the right, power and authority to promulgate reasonable rules and regulations to facilitate such purposes. It may require each such pipeline system to make, maintain and file such books, papers, records and documents as the commission may deem necessary, which books, papers, records and documents shall be made available to members of the commission and their employees upon request. Authorized personnel of the commission shall be authorized to inspect all such pipeline facilities, systems, and equipment and shall have the right of access and entry to all buildings and property owned, leased or operated by such systems.
Ala. Code § 37-4-93 (1975)