All administration, supervision, authority and responsibility under this article and operations conducted hereunder, vested in the department, shall be in addition to all powers, duties and authority conferred on the department by any other statute, it being the intent of this article that the authority, powers, responsibilities and duties imposed by this article shall be in addition to and supplemental of the powers, authority, responsibilities and duties conferred or imposed on the department by any other laws of the state.
Ala. Code § 33-2-123 (1975)