Tex. Code Crim. Proc. art. 36.31
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
After the cause is submitted to the jury, it may be discharged when it cannot agree and both parties consent to its discharge; or the court may in its discretion discharge it where it has been kept together for such time as to render it altogether improbable that it can agree.
Tex. Code Crim. Proc. § 36.31