PD1096 (1977 NBCP) is a Key National Development Control supported by other national and local development controls (including both laws and industry self-regulation) 

  1.    National Development Controls
  2. a) Presidential Decree (P.D.) No. 1096, the 1977 National Building Code of the Philippines (NBCP), its 2004 Revised Implementing Rules and Regulations (IRR) promulgated by the Department of Public Works and Highways (DPWH) in 2004, published thrice in April 2005 and effective May 2005, its additional rules and regulations (ARR) duly promulgated by the DPWH, and its various Referral Codes (RCs) in their latest versions, to wit: