Tex. Civil Practice and Remedies Code § 17.030

(a) The supreme court shall adopt rules of civil procedure requiring a person who serves process to complete a return of service.

(b) The rules:

(1) must provide that the return of service:

(A) is not required to be endorsed or attached to the original process issued; and

(B) may be electronically filed; and

(2) may require that the following information be included in the return of service:

(A) the cause number and case name;

(B) the court in which the case has been filed;

(C) the date and time process was received for service;

(D) the person or entity served;

(E) the address served;

(F) the date of service;

(G) the manner of delivery of service;

(H) a description of process served;

(I) the name of the person serving process; and

(J) if the process server is certified as a process server by the supreme court, the process server's identification number.

(c) A person certified by the supreme court as a process server or a person authorized outside of Texas to serve process shall sign the return of service under penalty of perjury. The return of service is not required to be verified.

(d) A person who knowingly or intentionally falsifies a return of service may be prosecuted for tampering with a governmental record as provided by Chapter 37, Penal Code.