AMENDING PROCLAMATION NO. 776 DATED APRIL 2, 1996 WHICH RESERVED A CERTAIN PARCEL OF LAND OF THE PRIVATE DOMAIN OF THE GOVERNMENT SITUATED IN THE MUNICIPALITY OF TANAY, PROVINCE OF RIZAL, ISLAND OF LUZON FOR HOUSING SITE PURPOSES OF THE EMPLOYEES OF THE DEPARTMENTS OF ENVIRONMENT AND NATURAL RESOURCES (DENR), INTERIOR AND LOCAL GOVERNMENT (DILG), NATIONAL DEFENSE (DND), EDUCATION, CULTURE AND SPORTS (DECS), AND TRANSPORTATION AND COMMUNICATION (DOTC) BY INCLUDING THE EMPLOYEES OF THE OFFICES OF THE PRESIDENT AND THE PRESIDENTIAL MANAGEMENT STAFF AS BENEFICIARIES OF THE SAID HOUSING PROJECT