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Code of Federal Regulations
Title 21
Chapter I
Subchapter H
Part 801
21 C.F.R. Part 801
Labeling
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A
General Labeling Provisions
B
Labeling Requirements for Unique Device Identification
C
Labeling Requirements for Over-the-Counter Devices
D
Exemptions From Adequate Directions for Use
E
Other Exemptions
F-G
[Reserved]
H
Special Requirements for Specific Devices
801.420
Hearing aid devices; professional and patient labeling.
Repealed
801.421
Hearing aid devices; conditions for sale.
Repealed