24 Miss. Code. R. 1-8.1.4
The director of each program is instructed to prepare and, at least annually, update a schedule of private pay rates for such services that a private pay rate is applicable. In establishing such rates, the director shall ensure that the rate so established is in accordance with relevant Mississippi statutes, and that such rates are set at such value to ensure no loss of third party reimbursement (Medicare, Medicaid, or any other) which is limited to the lesser of the private pay rate or the rate approved by the third party. Upon notification of any rate or per-diem changes by any third party, the director of such program shall immediately amend private pay rates to ensure the private pay rate at least equals the third party reimbursement for which such notification was received.
24 Miss. Code. R. 1-8.1.4