Mississippi Code Title 67. Alcoholic Beverages § 67-3-54

(1) A person who is at least eighteen (18) years of age but under the age of twenty-one (21) years may possess and consume light wine, light spirit product or beer with the consent of his parent or legal guardian in the presence of his parent or legal guardian, and it shall not be unlawful for the parent, legal guardian or spouse of such person to furnish light wine, light spirit product or beer to such person who is at least eighteen (18) years of age.

(2) A person who is at least eighteen (18) years of age and who is serving in the armed services of the United States may lawfully possess and consume light wine, light spirit product or beer on military property where the consumption of light wine, light spirit product or beer is allowed.

(3) A person who is under twenty-one (21) years of age shall not be deemed to unlawfully possess or furnish light wine, light spirit product or beer, if in the scope of his employment such person: