Debris burn permits are still required to burn leaf and brush piles in Tennessee.The permit requirement went into effect Oct. 15 and goes through May 15.Debris Burn Permits for leaf and brush piles are available at no charge via the MyTN mobile app or online at www.BurnSafeTN.org. Apply the same day you plan to burn. Online permits can be obtained daily from 8 a.m. to 11 p.m. Central Time for any size leaf and brush burn pile. Each pile should be completely extinguished by the permit expiration.