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Rule 106.Method of Service

Last amended December 31, 2020 · Last verified June 28, 2026

In one sentenceRule 106 makes personal delivery or certified mail the default ways to serve citation, and lets a court authorize substituted service — including by social media, email, or other technology — when ordinary service has been tried and failed.

Full Text of Rule 106

Text sizeJump to: (a) (b)

(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.
End

Notes and Comments

Comment to 1988 change: Conforms to amendment to Rule 103.

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.

2024 Comment: The Estates Code provides for other methods of service and citation, and proof thereof, in estate and guardianship proceedings and governs those proceedings.

Plain-English Summary

Rule 106 sets how a citation is served. Unless the citation or a court order says otherwise, it is served by delivering a copy of the citation and petition to the defendant in person, or by mailing them by registered or certified mail, return receipt requested.

When those methods have been tried and failed, the rule opens a second path. On a motion supported by a sworn or penalty-of-perjury statement that lists where the defendant can probably be found and shows that personal or mail service was attempted there without success, the court may authorize substituted service: by leaving the papers with someone older than sixteen at the stated place, or in any other manner — including electronically by social media, email, or other technology — that the evidence shows will be reasonably effective in giving the defendant notice.

Frequently Asked Questions

How is a defendant served in Texas?

Under Rule 106, by personal delivery or by registered or certified mail, return receipt requested, unless the court orders otherwise.

Can you serve someone by social media in Texas?

Yes, as substituted service. Under Rule 106(b), after personal or mail service has been attempted and failed, a court may authorize service electronically by social media, email, or other technology shown to be reasonably effective.

Source & verification. Rule text and the official Notes and Comments are reproduced verbatim from the Texas Rules of Civil Procedure (Tex. R. Civ. P. 106), published by the Texas Judicial Branch (txcourts.gov). Promulgated by the Supreme Court of Texas. The plain-English summary is original and draws on official sources. Last verified June 28, 2026. · Official source
Also known as: method of servicesubstituted serviceservice by social mediacertified mailemail serviceTRCP 106