Mississippi Code Title 91. Trusts and Estates § 91-8-709

(1) Expenses that were properly incurred in the administration of the trust, including the defense or prosecution of any action, whether successful or not, unless the trustee is determined to have willfully or wantonly committed a material breach of trust; and

(2) To the extent necessary to prevent unjust enrichment of the trust, expenses that were not properly incurred in the administration of the trust.