The right of trial by jury shall remain inviolate. The Legislature shall pass such laws as may be needed to regulate the same, and to maintain its purity and efficiency. Provided, that the Legislature may provide for the temporary commitment, for observation and/or treatment, of mentally ill persons not charged with a criminal offense, for a period of time not to exceed ninety (90) days, by order of the County Court without the necessity of a trial by jury.
Official text of the Texas Constitution as published by the Texas Legislative Council.