Texas Civil Practice and Remedies Code - CIV PRAC & REM § 42.002. Applicability and Effect

(a) The settlement procedures provided in this chapter apply only to claims for monetary relief.

(b) This chapter does not apply to:

(c) This chapter does not apply until a defendant files a declaration that the settlement procedure allowed by this chapter is available in the action.  If there is more than one defendant, the settlement procedure allowed by this chapter is available only in relation to the defendant that filed the declaration and to the parties that make or receive offers of settlement in relation to that defendant.

(d) This chapter does not limit or affect the ability of any person to:

(e) An offer to settle or compromise that does not comply with Section 42.003 or an offer to settle or compromise made in an action to which this chapter does not apply does not entitle any party to recover litigation costs under this chapter.