Mississippi Administrative Code
Title 2 - Agriculture and Commerce
Part 401 - Rules of the Mississippi Fair Commission
Subpart 2 - Administrative Rules
Chapter 04 - General Rules
Mississippi Fairgrounds Food and Beverage / Bag Policy
Section 2-401-2-04-103.04

There shall be no consumption of alcohol on Fairgrounds property by minors or as otherwise prohibited by law. Proper identification showing legal age is required and may be checked before all alcohol purchases regardless of age. All drinks except unopened water or soda bottles have to be discarded upon exit from the Coliseum, Trade Mart, and Equine Center.

Miss. Code Ann. § 69-5-3.