In June 2016, the DPWH (through the Office of the Secretary) issued a Memorandum Circular (MC) to all LGU building officials (BOs) and/or municipal/ city engineers (MCEs) nationwide anent the use of the contents of the NBCP : Illustrated reproducible data compact disc (CD) as a general technical reference (i.e. a guide) in the graphical interpretation of the 2004 Revised IRR of the NBCP.