Environment and Natural Resources Secretary Ramon J. P. Paje has mandated all offices of the DENR to adopt the Philippine Reference System of 1992 (PRS92) as the standard reference for all their surveying and mapping activities starting this year. Paje issued the directive in consonance with Executive Order No. 321 issued in 2004 which sets the year 2010 as the deadline for the integration of old surveys in the PRS92 system. Read More