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21 CFR 201.122 Drugs for Processing, Repacking, or Manufacturing

Overview:

21 CFR 201.122 provides labeling exemptions for bulk drugs used in manufacturing, repacking, or processing, requiring specific cautionary statements. These exemptions apply under certain conditions, such as approved applications or investigational use protocols.

A drug in a bulk package, except tablets, capsules, or other dosage unit forms, intended for processing, repacking, or use in the manufacture of another drug shall be exempt from section 502(f)(1) of the act if its label bears the statement “Caution: For manufacturing, processing, or repacking”; and if in substantially all dosage forms in which it may be dispensed it is subject to section 503(b)(1) of the act, the statement “Rx only”, or if in substantially all dosage forms in which it may be dispensed it is subject to section 503(f)(1) of the act, the statement “Caution: Federal law restricts this drug to use by or on the order of a licensed veterinarian”. This exemption and the exemption under § 201.120 may be claimed for the same article. However, the exemption shall not apply to a substance intended for a use in manufacture, processing, or repacking which causes the finished article to be a new drug or new animal drug, unless:

(a) 

An approved new drug application or new animal drug application or a new animal drug index listing covers the production and delivery of the drug substance to the application or index listing holder by persons named in the application or in the request for determination of eligibility for indexing, and, for a new drug substance, the export of it by such persons under § 314.410 of this chapter; or

(b) 

If no application is approved with respect to such new drug or new animal drug, and it is not listed in the index, the label statement “Caution: For manufacturing, processing, or repacking” is immediately supplemented by the words “in the preparation of a new drug or new animal drug limited by Federal law to investigational use”, and the delivery is made for use only in the manufacture of such new drug or new animal drug limited to investigational use as provided in part 312 or § 511.1 or § 516.125 of this chapter; or

(c) 

A new drug application or new animal drug application or a request for addition to the index covering the use of the drug substance in the production and marketing of a finished drug product has been submitted but not yet approved, disapproved, granted, or denied, the bulk drug is not exported, and the finished drug product is not further distributed after it is manufactured until after the new drug application or new animal drug application is approved or the request for addition to the index is granted.

[41 FR 6911, Feb. 13, 1976, as amended at 41 FR 15844, Apr. 15, 1976; 50 FR 7492, Feb. 22, 1985; 55 FR 11576, Mar. 29, 1990; 57 FR 54301, Nov. 18, 1992; 67 FR 4906, Feb. 1, 2002; 72 FR 69119, Dec. 6, 2007]

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Signify helps regulatory and product compliance teams in CPG and durables manufacturing launch products faster by automating global compliance.

Signify is the leading compliance system for consumer products—leveraging AI agents to automate gap analysis, streamline conformity checks, and accelerate safe, high-quality product launches.

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21 CFR

Use Cases

Supplier Check

Labeling

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Import & Export

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© 2025 Signify Technologies, Corp.

Compliance AI Agents

for consumer products

Signify helps regulatory and product compliance teams in CPG and durables manufacturing launch products faster by automating global compliance.

Signify is the leading compliance system for consumer products—leveraging AI agents to automate gap analysis, streamline conformity checks, and accelerate safe, high-quality product launches.

Signify SOC2 Type 2 Compliant

© 2025 Signify Technologies, Corp.

Use Cases

Supplier Check

Labeling

Internal Audits

Quality & Safety

Import & Export

Resources

Blog

Guides

Why Now

21 CFR

Company

About Us

Terms of Service

Privacy Policy

DPA

Compliance AI Agents

for consumer products

Signify helps regulatory and product compliance teams in CPG and durables manufacturing launch products faster by automating global compliance.

Signify is the leading compliance system for consumer products—leveraging AI agents to automate gap analysis, streamline conformity checks, and accelerate safe, high-quality product launches.

Use Cases

Supplier Check

Labeling

Internal Audits

Quality & Safety

Import & Export

Resources

Blog

Guides

Why Now

21 CFR

Company

About Us

Terms of Service

Privacy Policy

DPA

Signify SOC2 Type 2 Compliant

© 2025 Signify Technologies, Corp.