Tex. R. App. P. 4.2

As amended through April 30, 2024
Rule 4.2 - No Notice of Trial Court's Judgment in Civil Case
(a)Additional Time to File Documents.
(1) In general. If a party affected by a judgment or other appealable order has not within - 20 days after the judgment or order was signed - either received the notice required by Texas Rule of Civil Procedure 306a.3 or acquired actual knowledge of the signing, then a period that, under these rules, runs from the signing will begin for that party on the earlier of the date when the party receives notice or acquires actual knowledge of the signing. But in no event may the period begin more than 90 days after the judgment or order was signed.
(2) Exception for restricted appeal. Subparagraph (1) does not extend the time for perfecting a restricted appeal.
(b)Procedure to Gain Additional Time. The procedure to gain additional time is governed by Texas Rule of Civil Procedure 306a.5.
(c)The Court's Order. After hearing the motion, the trial court must sign a written order that finds the date when the party or the party's attorney first either received notice or acquired actual knowledge that the judgment or order was signed

Tex. R. App. P. 4.2