UNIFORM PROVISIONS CONCERNING THE APPROVAL OF PROTECTIVE HELMETS AND THEIR VISORS FOR DRIVERS AND PASSENGERS OF MOTOR CYCLES AND MOPEDS
National Administrative Register [ DTI PNS/UN ECE 22:2007 (UN ECE PUBLISHED 2002) ICS 43.040.01, August 20, 2009 ]
Text Available at Office of the National Administrative Register, U. P. Law Complex, Diliman, Quezon City