Our Mandate Legal bases on the authority of John Hay Management Corporation (JHMC) and the establishment of the John Hay Special Economic Zone (JHSEZ). Republic Act 7227 Executive Order 62 Executive Order 103 Presidential Proclamation 198 Presidential Proclamation 420 Sangguniang Panlungsod Resolution 362 Executive Order 31 Executive Order 132 Presidential Proclamation 1191 Republic Act 9399 Republic Act 9400