THE IMPLEMENTING RULES AND REGULATIONS (IRR) OF REPUBLIC ACT NO. 9797, AN ACT REGULATING THE PRACTICE OF CHEMICAL ENGINEERING AND REPEALING FOR THIS PURPOSE REPUBLIC ACT NUMBERE…
National Administrative Register [ PRC BOARD OF CHEMICAL ENGINEERING RESOLUTION NO. 13, S. 2004, November 17, 2004 ]
Text Available at Office of the National Administrative Register, U.P. Law Complex, Diliman, Quezon City.
Adopted: 17 Nov. 2004