One of the most important general principles established by the administrative judiciary is that administrative decisions cannot be applied retroactively. which constitutes one of the requirements of legality. However. recently the Algerian State Council and the constitutional founder had a new position represented in explicit recognition the idea of legal certainty. https://www.roneverhart.com/Open-Box-LG-UP8770-86-in-4K-UHD-4K-UHD-120Hz-Smart-TV-86UP8770PUA-2021/