Amending DAO 3S. 2002 and DAO 3, S. 2003 to transfer the implementation of the DTI Accreditation/Recognition Program of Motor Vehicle Private Emission Testing Centers (PETCs) from the Bureau of Philippine Standards (BPS) to the Fair Trade Enforcement Bureau (FTEB) and the management thereof to the Consumer Protection Advocacy Bureau (CPAB)

https://dtiwebfiles.s3-ap-southeast-1.amazonaws.com/Laws+and+Policies/DTi+Compendium+laws/Private+Emission+Testing+Centers/Department+Administative+Order+18-05.pdf