Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-215-129

(1) All contracts for such services shall be in writing and shall be signed by the owner, operator or other party obligated to pay for such services;

(2) All such contracts shall clearly indicate which charges are required by the department to remediate the petroleum site to acceptable state standards and which charges are associated with work performed for tasks other than the remediation of the petroleum site to acceptable state standards; and

(3) All such contracts shall include an express agreement that is clearly denoted by bold style type or other clearly distinguishable print and that requires the obligated party to initial or execute by a second signature, which agreement shall denote the obligated party's authorization or agreement to pay for all costs for work other than remediation of the petroleum site to acceptable state standards.