Texas Code of Criminal Procedure - CRIM P Art. 45.048. Discharged from Jail

(a) A defendant placed in jail on account of failure to pay the fine and costs shall be discharged on habeas corpus by showing that the defendant:

(b) A convicting court may specify a period that is not less than eight hours or more than 24 hours as the period for which a defendant who fails to pay the fine and costs in the case must remain in jail to satisfy $150 of the fine and costs.