Tex. R. Disc. P. 7.11
An appeal from a determination of the Board of Disciplinary Appeals shall be to the Supreme Court. Within fourteen days after receipt of notice of a final determination by the Board of Disciplinary Appeals, the party appealing must file a notice of appeal directly with the Clerk of the Supreme Court. The record must be filed within sixty days after the Board of Disciplinary Appeals' determination. The appealing party's brief is due thirty days after the record is filed, and the responding party's brief must be filed within thirty days thereafter. Except as herein expressly provided, the appeal must be made pursuant to the then applicable Texas Rules of Appellate Procedure. Oral argument may be granted on motion. The case shall be reviewed under the substantial evidence rule. The Court may affirm a decision on the Board of Disciplinary Appeals by order without written opinion. Determinations by the Board of Disciplinary Appeals that a statement constitutes either an Inquiry or a Complaint, or transferring cases, are conclusive, and may not be appealed to the Supreme Court.
Tex. R. Disc. P. 7.11