Rule 8.2 - Time for Filing Briefs in Appeals in Habeas Corpus & Bail Proceedings(a) Appellant's Brief. The appellant's brief must be filed no later than 20 days after the date the clerk's record or the reporter's record is filed, whichever is later.(b) State's Brief. The State's brief must be filed no later than 20 days after the date the appellant's brief is filed.Tex. 4th. Ct. App. L. R. 8.2