Tex. Fam. Code § 262.352

(a) Before the department files a suit affecting the parent-child relationship requesting managing conservatorship of a child who suffers from a severe emotional disturbance in order to obtain mental health services for the child, the department must, unless it is not in the best interest of the child, discuss with the child's parent or legal guardian the option of seeking a court order for joint managing conservatorship of the child with the department.