28 Miss. Code R. § 1-02-122
It shall be the responsibility of assignees to maintain assigned facilities in clean and sanitary condition, free of any infestation, and maintain the assigned facilities in good repair, normal wear and tear excepted.
If such users do not maintain assigned facilities in a satisfactory condition, the Port Authority shall have the facilities repaired, cleaned, and/or treated for insect infestation at the expense of the user, at cost plus 20%.
Trash or rubbish left on Port facilities will be hauled away by the Port Authority and the user billed at actual cost plus 20%.
Following each use, the Port Authority will cause the areas used to be inspected and, if there is any evidence of insect infestation, shall contract for required infestation treatment, and the cost for such services and inspection fees shall be billed to the user.
28 Miss. Code. R. § 1-02-122