Tex. R. Civ. P. 510.10

As amended through August 27, 2024
Rule 510.10 - Record on Appeal; Docketing; Trial De Novo
(a)Preparation and Transmission of Record. Unless otherwise provided by law or these rules, when an appeal has been perfected, the judge must stay all further proceedings on the judgment and must immediately send to the clerk of the county court a certified copy of all docket entries, a certified copy of the bill of costs, and the original papers in the case together with any money in the court registry, including sums tendered pursuant to Rule 510.9(c)(5)(B).
(b)Docketing; Notice. The county clerk must docket the case and must immediately notify the parties of the date of receipt of the transcript and the docket number of the case. The notice must advise the defendant that it must file a written answer in the county court within 8 days if one was not filed in the justice court.
(c)Trial De Novo. The case must be tried de novo in the county court. A trial de novo is a new trial in which the entire case is presented as if there had been no previous trial. The trial, as well as any hearings and motions, is entitled to precedence in the county court.

Tex. R. Civ. P. 510.10