Pursuant to Section 34, Chapter IV of the Philippine Clean Air Act of 1999 (RA 8749) it mandates "The Department shall be the primary government agency responsible for the implementation and enforcement of the Act" and to Section 3, Rule XXXlV, Part VIII of DAO 2000-81 (Implementing Rules and Regulations) provides that "the Department is responsible for regulating the specifications of emission testing equipment to be used by private emission testing centers."

Base on the above provisions, the Department through the Environmental Managers Bureau shall automatically revoke the certifications issued to PETCs of vehicular emission test equipment, and prohibit the said PETCs from operating the equipment based on th following grounds:

1. Improper use of the equipment (not following maintenance and operating procedures per operations manual);
   
   
2. Issuance of test results without conducting actual test of vehicles;
   
   
3. Tampering of emission test results; and
   
   
4. Absence of accessories for real time monitoring and recording of test results; and
   
   
5. Other acts as determined by the Department through its Bureau which are inconsistent with the purpose of the equipment.

This Order shall take effect immediately and remain in force unless revoked in writing by the undersigned.

Adopted: 02 Mar. 2005

(SGD.) MICHAEL T. DEFENSOR
Secretary