Miss. Code Ann. § 39-7-21

All salvage or recovery operations described under Section 39-7-17, and all operations conducted under permits set out in Section 39-7-19, must be carried out under the general supervision of the board, in accordance with reasonable rules and regulations adopted by the board, and in such manner that the maximum amount of historic, scientific, archeological, and educational information may be recovered and preserved in addition to the physical recovery of items. The board shall be the legal custodian of all antiquities recovered, and is specifically authorized and empowered to promulgate such rules and regulations and to require such contract or permit conditions as to reasonably effect the purposes of this chapter.