Texas Code of Criminal Procedure - CRIM P Art. 18.011. Sealing of affidavit

(a) An attorney representing the state in the prosecution of felonies may request a district judge or the judge of an appellate court to seal an affidavit presented under Article 18.01(b). The judge may order the affidavit sealed if the attorney establishes a compelling state interest in that:

(b) An order sealing an affidavit under this section expires on the 31st day after the date on which the search warrant for which the affidavit was presented is executed. After an original order sealing an affidavit is issued under this article, an attorney representing the state in the prosecution of felonies may request, and a judge may grant, before the 31st day after the date on which the search warrant for which the affidavit was presented is executed, on a new finding of compelling state interest, one 30-day extension of the original order.

(c) On the expiration of an order issued under Subsection (b) and any extension, the affidavit must be unsealed.

(d) An order issued under this section may not: