Miss. Code § 21-41-31
If there exists upon a portion of a tract of land sold for delinquent assessments, a lien either of a deed of trust or mortgage of any kind, or if a portion of a tract of land sold for said delinquent assessments is owned by one who does not own the entire portion sold, then, subject to the provisions herein stated, the mortgagee or holder of the notes secured by such deed of trust, or the owner of such portion, or any person interested in such real estate, may redeem that portion of the land so sold in solido, upon which portion such mortgagee or owner of notes, or owner of less than the whole of the real estate is interested, in the following manner, to-wit:
Such mortgagee, or owner of notes secured by deed of trust, owner, or other person interested, may apply in writing to the municipal clerk within the time provided by law for redemption from sale of taxes to be permitted to redeem such portion of such entire tract so sold in solido in which he is interested. Upon the application being filed with him, it shall be the duty of the municipal clerk to give ten days' notice in writing of such application by registered mail to the last known post office address, with return receipt requested, to the owner and to the purchaser at the tax sale, and to all persons holding mortgages or other liens of record on the land so sold in solido, or any part thereof, which notice shall designate a time not less than ten days from the mailing thereof when the governing authorities of the municipality shall hear and perform the duties hereinafter provided for. The clerk shall enter on the record of such tax sale notations giving the date when such notices were mailed, and the names and post office addresses of persons to whom mailed. On the date named for such hearing the governing authorities shall make such investigation as they may deem necessary to ascertain the relative value which that portion of land on which the lien of such mortgage or deed of trust is held by the applicant, or of which said applicant may be the owner, or otherwise interested, bears to the value of the entire land sold in solido for special assessment, and whether or not that portion not sought to be redeemed will remain adequate security for any assessment thereon. Should the governing authorities of the municipality determine from such investigation that that portion not sought to be redeemed will be adequate security and the interest of the municipality not adversely affected by permitting less than the whole to be redeemed, then they shall so adjudicate and fix and determine the amount of special improvement assessments which should be applied to each separate portion. The mortgagee or holder of the deed of trust, or owner, or any person interested in such real estate, shall thereupon be entitled to redeem that part of the land so sold by payment of the sum fixed thereon by such governing authorities, regardless of the amount of the purchaser's bid at the tax sale, with its proportionate part calculated as above provided of all costs, damages and interest consequent upon the sale, and also all subsequent instalments which have accrued prior to the date of said redemption, together with all municipal ad valorem taxes that have accrued upon that portion of said land being redeemed, apportioned in the manner hereinabove provided, and together with interest thereon at the rate of one per centum per month, or any fractional part thereof, from the dates such installments and taxes shall have accrued. If the sale was made to an individual purchaser, the municipality shall upon such redemption, refund to the purchaser the proportionate amount because of said redemption, which shall in nowise affect the purchaser's rights in so far as that portion which was not redeemed is concerned. Likewise, upon such redemption of less than the whole, in case of sale to the municipality, the municipality's rights in so far as that portion not redeemed are concerned, shall not be in anywise affected.
The decision of the governing authorities as to the right to redeem less than the whole shall be final. Any aggrieved party shall have the right to appeal as in other cases.
Miss. Code § 21-41-31