Tex. Ins. Code § 846.159
(a) A multiple employer welfare arrangement shall transact business under the arrangement's own name and may not adopt any assumed name. An arrangement may not use a name that is the same as or closely resembles the name of any other arrangement that:
(b) A multiple employer welfare arrangement may change its name by:
Added by Acts 2001, 77th Leg., ch. 1419, Sec. 1, eff. June 1, 2003.