Rule 106 - Method of Service(a) Unless the citation or court order otherwise directs, the citation must be served by: (1) delivering to the defendant, in person, a copy of the citation, showing the delivery date, and of the petition; or(2) mailing to the defendant by registered or certified mail, return receipt requested, a copy of the citation and of the petition.(b) Upon motion supported by a statement-sworn to before a notary or made under penalty of perjury-listing any location where the defendant can probably be found and stating specifically the facts showing that service has been attempted under (a)(1) or (a)(2) at the location named in the statement but has not been successful, the court may authorize service: (1) by leaving a copy of the citation and of the petition with anyone older than sixteen at the location specified in the statement; or(2) in any other manner, including electronically by social media, email, or other technology, that the statement or other evidence shows will be reasonably effective to give the defendant notice of the suit.Amended August 21, 2020, effective 12/31/2020.Comment to 2020 Change: Rule 106 is revised in response to section 17.033 of the Civil Practice and Remedies Code, which calls for rules to provide for substituted service of citation by social media. Amended Rule 106(b)(2) clarifies that a court may, in proper circumstances, permit service of citation electronically by social media, email, or other technology. In determining whether to permit electronic service of process, a court should consider whether the technology actually belongs to the defendant and whether the defendant regularly uses or recently used the technology. Other clarifying and stylistic changes have been made.