SECRETARY PROCESO J. ALCALA, AS SECRETARY OF THE DEPARTMENT OF AGRICULTURE, AND AS CHAIRMAN OF THE NATIONAL FOOD AUTHORITY COUNCIL, AND THE BUREAU OF CUSTOMS, REPRESENTED BY COMMISSIONER JOHN PHILLIP P. SEVILLA, PETITIONERS, VS. HONORABLE JUDGE EMMANUEL C. CARPIO, IN HIS CAPACITY AS PRESIDING JUDGE OF BRANCH 16, REGIONAL TRIAL COURT IN DAVAO CITY, AND JOSEPH MANGUPAG NGO, RESPONDENTS