Miss. Code Ann. § 31-7-119: Miss. Code Ann. § 31-7-119

(1) Except as provided in subsection (2) of this section, neither the board of supervisors nor any member thereof shall individually purchase, order or receive any equipment, heavy equipment, machinery, supplies, commodities, materials or services for the use or benefit of the county.

(2) In any county in which the board of supervisors is not required to operate on a countywide system of road administration, the prohibition as provided in subsection (1) of this section shall not apply (a) to purchases of not more than Two Thousand Dollars ($2,000.00) in the aggregate; or (b) to the purchase of parts or repair services in emergency situations, which purchases are exempt from bid requirements pursuant to Section 31-7-13(m)(ii) and (iii) . Any supervisor who purchases any item or services in accordance with this subsection (2) shall sign the invoice or receipt and forward it to the purchase clerk in the manner provided by Section 31-7-103 . No claim based on any such purchase shall be approved unless the purchase was made in compliance with the provisions of this subsection.