Core Zone 6, Caņon de Petacalco-Lazaro Cardenas; Core Zone 8, Montes del Pacifico; Core Zone 11, Caņon de Ometepec; Core Zone 13, Jose Clemente Orozco: It is established within the Deep Mexican Pacific Biosphere Reserve within a buffer zone called the Mesoamerican Trench. The general public must take extreme precautions and abide by the provisions of the Management Program and the provisions contained in the DECREE published on December 7th, 2016 in the Official Gazette of the Federation.