[Code of Federal Regulations] [Title 40, Volume 24] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR211.201] [Page 176] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 211_PRODUCT NOISE LABELING--Table of Contents Subpart B_Hearing Protective Devices Sec. 211.201 Applicability. Authority: Sec. 8, Pub. L. 92-574, 86 Stat. 1241 (42 U.S.C. 4907), and additional authority as specified. Source: 44 FR 56139, Sept. 28, 1979, unless otherwise noted. Unless this regulation states otherwise, the provisions of this subpart apply to all hearing protective de vices manufactured after the effective date of this regulation. (See Sec. 211.203(m) for definition of ``hearing pro tec tive device.'')