Texas Code of Criminal Procedure - CRIM P Art. 45.023. Defendant's Plea

(a) After the jury is impaneled, or after the defendant has waived trial by jury, the defendant may:

(b) If a defendant is detained in jail before trial, the justice or judge may permit the defendant to enter any of the pleas described by Subsection (a).

(c) If a defendant who is detained in jail enters a plea of guilty or nolo contendere, the justice or judge may, after complying with Article 15.17 and advising the defendant of the defendant's right to trial by jury, as appropriate:

(d) Notwithstanding Article 45.037, following a plea of guilty or nolo contendere entered under Subsection (b), a motion for new trial must be made not later than 10 days after the rendition of judgment and sentence, and not afterward. The justice or judge shall grant a motion for new trial made under this subsection.