[Code of Federal Regulations] [Title 40, Volume 22] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR211.205] [Page 178] 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. 211.205 Special claims. (a) Any manufacturer wishing to make claims regarding the acoustic effectiveness of a device, other than the Noise Reduction Rating, must be prepared to demonstrate the validity of such claims. (b) [Reserved] [44 FR 56139, Sept. 28, 1979, as amended at 47 FR 57716, Dec. 28, 1982]