Miss. Code § 27-105-331
The State Treasurer, on behalf of any county in the State of Mississippi that has acquired bonds or other securities as the result of the closing of the depository or depositories of the county, is authorized and empowered in his discretion to sell, trade, refinance or agree to the refinancing of any or all of those bonds now held or owned by it and by any subdivision or taxing district of the county. The State Treasurer is further authorized and empowered, in his discretion, in refinancing any of those bonds, to agree to a reduction of the principal sum and likewise to agree to a reduction of the interest rate thereon. The State Treasurer is authorized and empowered, in his discretion, to sell any of those bonds at or for the best price obtainable, or to trade those bonds for other bonds, when in the judgment of the State Treasurer the best interests of the county would be advanced thereby, and he is further authorized to handle and negotiate any matured interest coupons on any of those bonds in the same manner as he is authorized in this section to deal with the bonds.
All of the proceeds of the sale, refinancing, trading, or collection of any of those bonds shall be accounted for by the State Treasurer and placed to the credit of the subdivisions or funds of the counties entitled to those proceeds.
Miss. Code § 27-105-331