When a convict shall become insane or an imbecile after final sentence has been pronounced, the execution of said sentence shall be suspended only with regard to the personal penalty, the provisions of the second paragraph of circumstance number 1 of article 12 being observed in the corresponding cases.
If at any time the convict shall recover his reason, his sentence shall be executed, unless the penalty shall have prescribed in accordance with the provisions of this Code.
The respective provisions of this section shall also be observed if the insanity or imbecility occurs while the convict is serving his sentence.