Texas Civil Practice and Remedies Code - CIV PRAC & REM § 34.001. No Execution on Dormant Judgment

(a) If a writ of execution is not issued within 10 years after the rendition of a judgment of a court of record or a justice court, the judgment is dormant and execution may not be issued on the judgment unless it is revived.

(b) If a writ of execution is issued within 10 years after rendition of a judgment but a second writ is not issued within 10 years after issuance of the first writ, the judgment becomes dormant.  A second writ may be issued at any time within 10 years after issuance of the first writ.

(c) This section does not apply to a judgment for child support under the Family Code.