Texas Family Code - FAM § 3.305. Citation by Publication

(a) Except as provided by Section 17.032, Civil Practice and Remedies Code, if the residence of the respondent, other than a respondent reported to be a prisoner of war or missing on public service, is unknown, citation shall be published on the public information Internet website maintained as required by Section 72.034, Government Code, and in a newspaper of general circulation published in the county in which the petition was filed.

(b) The notice shall be published on the public information Internet website for at least two consecutive weeks before the hearing and in a newspaper once a week for two consecutive weeks before the hearing. Neither notice may be initially published after the 20th day before the date set for the hearing.