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 2-401-2-04-103.05

Exiting and re-entering the building with the same ticket is generally prohibited. Guests who wish to return a prohibited item to their vehicle or need to exit and re-enter due to personal or medical emergency must exit out of a ticketed entrance. The ticket for the event must be produced and then scanned out or approved for exit.

Miss. Code Ann. § 69-5-3.