The return of the person serving a citation or notice under Section 51.051 must:
(1) be endorsed on or attached to the citation or notice;
(2) state the date and place of service;
(3) certify that a copy of the citation or notice was delivered to the person directed to be served;
(4) be subscribed and sworn to before, and under the hand and official seal of, an officer authorized by the laws of this state to take an affidavit; and
(5) be returned to the county clerk who issued the citation or notice.
Official text of the Texas Estates Code as published by the Texas Legislative Council.