Tenn. Code Ann. § 43-15-103: Contracts for costs and expenses of agency to be borne proportionately and ratably

If more than one (1) person appoints or designates the same agent, under similar contracts, with the same powers, the persons may agree in the contracts that they will bear and pay proportionately and ratably, according to the value of their several crops, the costs and expenses of the agency, including warehousing, storing, handling, preparing the crops for market, insurance, and all other legitimate expenses incurred in the handling and sale of the crops.