Miss. Code Ann. § 41-73-55: Miss. Code Ann. § 41-73-55

The authority, subject to such agreements with bondholders as may then exist, shall have the power to purchase bonds of the authority out of any funds available therefor, which shall thereupon be cancelled at any reasonable price which, if the bonds are then redeemable, shall not exceed the redemption price then applicable plus accrued interest to the next interest payment date thereon.