Texas Insurance Code - INS § 1505.002. Plans for Certain Persons 65 Years of Age or Older

(a) Two or more health insurers may provide a hospital, surgical, and medical expense insurance plan under a group insurance policy that covers residents of this state who are at least 65 years of age and the spouses of those residents.

(b) The participating health insurers may enter into agreements regarding matters within the scope of this chapter, including:

(c) Each participating health insurer is subject to regulation under the laws of this state and is severally liable on a group insurance policy issued under this chapter.