AMENDING PROCLAMATION NO. 518 DATED JANUARY 31, 1990, WHICH EXCLUDED CERTAIN PARCELS OF LAND IN BARANGAYS CEMBO, SOUTH CEMBO, EAST REMBO, WEST REMBO, PEMBO, RIZAL (PEMBO), PITOGO AND COMEMBO, ALL IN THE CITY OF MAKATI FROM THE OPERATION OF PROCLAMATION NO. 423, SERIES OF 1957 WHICH ESTABLISHED THE FORT WILLIAM MCKINLEY (NOW FORT BONIFACIO), AS AMENDED BY PROCLAMATION NO. 2475, SERIES OF 1986, BY RESERVING CERTAIN PARCELS OF LAND EMBRACED THEREIN FOR SCHOOL SITE PURPOSES AND GRANTING OWNERSHIP THEREOF IN FAVOR OF THE REPUBLIC OF THE PHILIPPINES – DEPARTMENT OF EDUCATION (RP-DEPED)