Tenn. Code Ann. § 5-5-125: Powers and duties - Exemptions from roadwork, peddling requirements

The county legislative bodies may exempt any indigent, decrepit, or other persons unable by manual labor or physical exertion to obtain a living, from working on the public roads as provided in § 71-5-2302 , or allow persons to hawk and peddle, without license, as provided in § 67-4-102 .