Mississippi Code Title 89. Real and Personal Property § 89-12-5

(a) Any demand, savings, or matured time deposit made in this state with a banking organization or financial organization, together with any interest or dividend thereon, excluding any charges that may have accrued, unless the owner has, within five (5) years:

(b) Any sum payable on checks certified in this state or on written instruments issued in this state on which a banking or financial organization or business association is directly liable, including, but not limited to, certificates of deposit, drafts, money orders and traveler's checks, that, with the exception of traveler's checks and money orders, has been outstanding for more than five (5) years from the date it was payable, or from the date of its issuance if payable on demand, or, in the case of traveler's checks, that has been outstanding for more than fifteen (15) years from the date of its issuance, or, in the case of money orders, that has been outstanding for more than seven (7) years from the date of its issuance, unless the owner has within five (5) years, or within fifteen (15) years in the case of traveler's checks or within seven (7) years in the case of money orders, corresponded in writing with the banking or financial organization or business association concerning it, or otherwise indicated an interest as evidenced by a memorandum on file with the banking or financial organization or business association.