Miss. Code Ann. § 19-13-111: Miss. Code Ann. § 19-13-111

All bids and contracts for stationery, blank books, office supplies and other things must be specific in stating the kinds or brands and qualities of all articles, as far as practicable; the weight per ream and material of all paper; the price per quire and the weight per ream of books and record books, with the style of binding and size of each kind of book duly classified; and, other things being equal, the several boards shall give the preference to those bids which are most specific as to the price and quality of the various articles. In case bids are in all respects equal between resident and nonresident bidders, the board of supervisors shall give preference to citizens of this state.