Vernon's Texas Rules Annotated - VTRA TX R HAYS CTY DIST Chapter 22. Settings

All criminal cases shall be set ONLY by Court Order or by administrative notice of setting by the District Court Administrator.

If for good cause defense counsel cannot go to trial on such date, he shall, within five (5) days of receipt of the setting notice, so advise the District Court Administrator in writing stating such reason.  The parties may, by agreement, request a reset through the court coordinator with the Judge's approval.  In no event shall the case be reset beyond the time limits set out in the Code of Criminal Procedure or the Rules of Judicial Administration.