The commission shall establish and maintain at such lawful depository or depositories in the State of Alabama as it shall select a “Battleship Fund,” composed of the money or moneys which may come into its hands from admissions, inspection fees, gifts, donations, grants, bequests, loans, bond issues, governmental appropriations, or other sources, either public or private. The funds shall be used by the commission to pay the costs of acquiring, restoring, renovating, outfitting, documenting, developing, maintaining, displaying, recording, storing, and when deemed appropriate, disposing of artifacts, exhibits, and park assets, and conducting marketing, promotion, and other activities to sustain operations, and meet maintenance and development requirements for the purposes set forth in this article and for the servicing, retirement, or amortization of any bonds or other evidences of indebtedness issued by the commission. The commission, in the promotion of Battleship Memorial Park through its chair and such employees as may be designated in writing by the chair, may expend funds of the commission to entertain customers or prospective customers and prospects, including prospective contributors or in promoting public relations in such a manner as the chair deems necessary. Any funds expended under this section shall be subject to audit and accounting as otherwise provided for by law.