Texas Election Code - ELEC § 13.146. Confirmation Notice on Return of Initial Certificate

(a) If an initial certificate delivered to the applicant by mail is returned to the registrar undelivered, the registrar shall promptly deliver to the applicant a confirmation notice in accordance with Section 15.051.

(b) If the applicant fails to submit a response to the registrar in accordance with Section 15.053, the registrar shall enter the applicant's name on the suspense list.