The death sentence shall not be inflicted upon a woman while she is pregnant or within one (1) year after delivery, nor upon any person over seventy years of age. In this last case, the death sentence shall be commuted to the penalty of reclusion perpetua with the accessory penalties provided in Article 40. In all cases where the death sentence has become final, the records of the case shall be forwarded immediately by the Supreme Court to the Office of the President for possible exercise of the pardoning power.