Tex. Code Crim. Proc. art. 43.23
When the execution of sentence is suspended or respited to another date, same shall be noted on the warrant and on the arrival of such date, the Director of the Department of Corrections shall proceed with such execution; and in case of death of any condemned person before the time for his execution arrives, or if he should be pardoned or his sentence commuted by the Governor, no execution shall be had; but in such cases, as well as when the sentence is executed, the Director of the Department of Corrections shall return the warrant and certificate with a statement of any such act and his proceedings endorsed thereon, together with a statement showing what disposition was made of the dead body of the convict, to the clerk of the court in which the sentence was passed, who shall record the warrant and return in the minutes of the court.
Tex. Code Crim. Proc. § 43.23