Tenn. Code Ann. § 65-10-205

The declaration or bill, as the case may be, of a plaintiff or complainant shall set out with reasonable certainty, the work done, services rendered, or materials furnished, the amount claimed therefor, the nature and substance of any contract made with such railroad company, or any contractor or construction company, or subcontractor, as the case may be, accompanying such declaration or bill with a copy of the notice, executed as required in § 65-10-202.