40 CFR § 211.205 - Special claims.
---
identifier: "/us/cfr/t40/s211.205"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 211.205 - Special claims."
title_number: 40
title_name: "Protection of Environment"
section_number: "211.205"
section_name: "Special claims."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "G"
subchapter_name: "NOISE ABATEMENT PROGRAMS"
part_number: "211"
part_name: "PRODUCT NOISE LABELING"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
regulatory_source: "44 FR 56127, Sept. 28, 1979, unless otherwise noted."
cfr_part: "211"
---
# 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]