Miss. Code § 21-27-67
Sections 21-27-11 through 21-27-69, being necessary for and to secure the public health, safety, convenience and welfare of the municipalities of the State of Mississippi, shall be liberally construed to effect the purposes hereof.
The powers conferred by Sections 21-27-11 through 21-27-69 shall be in addition to the powers conferred by any other law, general, special or local, and such sections shall, without reference to any other statute or to any charter, be deemed full authority to purchase or improve and to own and operate the authorized revenue producing systems, to fix, maintain, and to collect rates for the facilities afforded by such systems, to issue and to sell the authorized bonds, and shall be construed as an additional and alternative method therefor, any provisions of the general laws of the state or of any charter to the contrary notwithstanding.
Miss. Code § 21-27-67