Tennessee Code Title 56. Insurance § 56-7-2325

Where any policy of insurance, group or individual, issued after July 1, 1973, to school children, contains a provision whereby incurred medical benefits for accidents are payable for a specified number of days following the covered accident and if, during the specified period, written notice is given to the insurance company by the insured, accompanied by a written statement from the insured's licensed physician stating that medical treatment will be required after the termination of the specified period, then the company shall pay the medical expenses that are incurred within one (1) year from the date of the accident causing the loss for benefits as provided by the contract of insurance.