Tenn. Const. art. XI, § 8

The Legislature shall have no power to suspend any general law for the benefit of any particular individual, nor to pass any law for the benefit of individuals inconsistent with the general laws of the land; nor to pass any law granting to any individual or individuals, rights, privileges, immunitie, [immunities] or exemptions other than such as may be, by the same law extended to any member of the community, who may be able to bring himself within the provisions of such law. No corporation shall be created or its powers increased or diminished by special laws but the General Assembly shall provide by general laws for the organization of all corporations, hereafter created, which laws may, at any time, be altered or repealed, and no such alteration or repeal shall interfere with or divest rights which have become vested.