[Code of Federal Regulations]
[Title 21, Volume 1]
[Revised as of April 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR1.21]

[Page 7]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                                SERVICES
 
PART 1--GENERAL ENFORCEMENT REGULATIONS--Table of Contents
 
                Subpart B--General Labeling Requirements
 
Sec. 1.21  Failure to reveal material facts.

    (a) Labeling of a food, drug, device, or cosmetic shall be deemed to 
be misleading if it fails to reveal facts that are:
    (1) Material in light of other representations made or suggested by 
statement, word, design, device or any combination thereof; or
    (2) Material with respect to consequences which may result from use 
of the article under: (i) The conditions prescribed in such labeling or 
(ii) such conditions of use as are customary or usual.
    (b) Affirmative disclosure of material facts pursuant to paragraph 
(a) of this section may be required, among other appropriate regulatory 
procedures, by
    (1) Regulations in this chapter promulgated pursuant to section 
701(a) of the act; or
    (2) Direct court enforcement action.
    (c) Paragraph (a) of this section does not:
    (1) Permit a statement of differences of opinion with respect to 
warnings (including contraindications, precautions, adverse reactions, 
and other information relating to possible product hazards) required in 
labeling for food, drugs, devices, or cosmetics under the act.
    (2) Permit a statement of differences of opinion with respect to the 
effectiveness of a drug unless each of the opinions expressed is 
supported by substantial evidence of effectiveness as defined in 
sections 505(d) and 512(d) of the act.