Tennessee Code Title 56. Insurance § 56-16-105

(a) Persons of this state may enter into reciprocal insurance contracts with each other and with persons of other states and countries, providing indemnity among themselves from any loss that may be insured against under other laws, excepting life insurance.

(b) For any corporation now existing or hereafter organized under the laws of this state, the power and authority to enter into reciprocal insurance contracts shall be in addition to the powers conferred upon it in its certificate of incorporation, and shall be incidental to the purposes for which the corporation is organized.