Section 7
SEC. 7. Pending an appeal, the status of a prisoner shall not be changed, and whenever upon appeal to, or review by, a higher court, the status of a prisoner, as hereinbefore fixed, shall be changed by an increase or diminution of his sentence, the responsibility of the Insular Government or the provinces or municipalities, as the case may be, for the maintenance of such prisoner due to such change in sentence shall take effect from the date of judgment of the higher court and shall not be retroactive.