[ PNP MEMO CIRCULAR NO. 2011-027<SUP xx="COLOR: RGB(255, 0, 0);">*</SUP>, December 30, 2011 ]
GENERAL GUIDELINES IN THE CONDUCT OF PRODUCT TEST, POST-QUALIFICATION, FUNCTIONAL TEST AND EVALUATION FOR LAND TRANSPORTATION
* Text Available at Office of the National Administrative Register, U.P. Law Complex, Diliman, Quezon City.