The Slidell Memorial Hospital may contract to receive or offer agreements for materials, services, or supplies pursuant to a shared service or group purchasing arrangement with other hospitals, either public or private, in accordance with the provisions of R.S. 38:2211 et seq. In addition, Slidell Memorial Hospital and the district shall otherwise cooperate in all respects possible for the best interests of the citizens of St. Tammany Parish.
La. R.S. § 46:1098.15