Revising ANDA Labeling Following Revision of the RLD Labeling Guidance for Industry: Guidance for Industry

Administrative guidance, not enacted legislation. This captured publisher edition preserves the listed document and attachments; later developments are not independently consolidated.

Revising ANDA
Labeling Following
Revision of the RLD
Labeling
Guidance for Industry
U.S. Department of Health and Human Services
Food and Drug Administration
Center for Drug Evaluation and Research (CDER)
January 2024
Generic Drugs

Contains Nonbinding Recommendations
i
Revising ANDA
Labeling Following
Revision of the RLD
Labeling
Guidance for IndustryAdditional copies are available from:
Office of Communications, Division of Drug Information
Center for Drug Evaluation and Research
Food and Drug Administration
10001 New Hampshire Ave., Hillandale Bldg., 4 th Floor
Silver Spring, MD 20993-0002
Phone: 855-543-3784 or 301-796-3400; Fax: 301-431-6353
Email: druginfo@fda.hhs.gov
https://www.fda.gov/drugs/guidance-compliance-regulatory-information/guidances-drugs
U.S. Department of Health and Human Services
Food and Drug Administration
Center for Drug Evaluation and Research (CDER)
January 2024
Generic Drugs

Contains Nonbinding Recommendations
ii
TABLE OF CONTENTS
I. 	INTRODUCTION............................................................................................................. 1
II. 	BACKGROUND ............................................................................................................... 2
III. 	HOW TO OBTAIN INFORMATION ON CHANGES TO RLD LABELING .......... 4
IV. 	HOW TO SUBMIT REVISED LABELING .................................................................. 4
A. 	Process............................................................................................................................................. 4
B. 	Type of Submission ........................................................................................................................ 5
1. Unapproved ANDAs......................................................................................................................... 5
2. Tentatively Approved ANDAs .......................................................................................................... 6
3. Approved ANDAs ............................................................................................................................. 6
C. 	Other Considerations..................................................................................................................... 6

Contains Nonbinding Recommendations
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Revising ANDA Labeling Following Revision of the RLD Labeling
Guidance for Industry1
This guidance represents the current thinking of the Food and Drug Administration (FDA or Agency) on
this topic. It does not establish any rights for any person and is not binding on FDA or the public. You
can use an alternative approach if it satisfies the requirements of the applicable statutes and regulations.
To discuss an alternative approach, contact the FDA office responsible for this guidance as listed on the
title page.
I. 	INTRODUCTION
This guidance is intended to assist applicants and holders of an abbreviated new drug
application (ANDA) in updating their labeling following revisions to the approved labeling2 of
a reference listed drug (RLD).3,4 This guidance provides recommendations on identifying
RLD labeling updates and submitting ANDA amendments or supplements to update
generic drug labeling. This guidance finalizes the draft guidance for industry of the same
title issued on January 27, 2022.5 The final guidance provides clear expectations for when
updates to labeling are required, the process for updating labeling, and the types of
submissions for labeling updates.
In general, FDA’s guidance documents do not establish legally enforceable responsibilities.
Instead, guidances describe the Agency’s current thinking on a topic and should be viewed only
as recommendations, unless specific regulatory or statutory requirements are cited. The use of
the word should in Agency guidances means that something is suggested or recommended, but
not required.
1 This guidance has been prepared by the Office of Generic Drugs in the Center for Drug Evaluation and Research at
the Food and Drug Administration.
2 In this guidance, we use the terms “approved labeling” or “labeling” to refer to labeling approved in New Drug
Applications (NDAs) and ANDAs. This term includes but is not limited to: Prescribing Information (PI), FDA-
approved patient labeling (Medication Guides, Instructions for Use, and Patient Information (also called Patient
Package Inserts)), and carton and container labeling.
3 This guidance encompasses approved labeling for prescription and certain over the counter (OTC) drugs. For
more information and resources on prescription drug labeling, please visit https://www.fda.gov/drugs/laws-acts-and-
rules/prescription-drug-labeling-resources. For OTC products, please refer to the FDA guidance for industry
Labeling OTC Human Drug Products Updating Labeling in RLDs and ANDAs (October 2002).
4 An RLD “is the listed drug identified by FDA as the drug product upon which an applicant relies in seeking
approval of its ANDA” (21 CFR 314.3(b)).
5 We update guidances periodically. For the most recent version of a guidance, check
the FDA guidance web page at https://www.fda.gov/regulatory-information/search-fda-guidance-
documents#guidancesearch.

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II. 	BACKGROUND
An ANDA is an application submitted and approved under section 505(j) of the Federal Food,
Drug, and Cosmetic Act (FD&C Act)6 for a drug product that is a duplicate7 of a previously
approved drug product. An ANDA relies on FDA’s finding that the previously approved drug
product—i.e., the RLD—is safe and effective. An ANDA generally must contain information to
show that the proposed generic product: (1) is the same as the RLD with respect to the active
ingredient(s), conditions of use, route of administration, dosage form, strength, and labeling
(with certain permissible differences); and (2) is bioequivalent to the RLD.8
A generic drug is generally required to have the same labeling as the RLD, except for changes
required because of differences approved under a suitability petition9 or because the generic drug
and the RLD are “produced or distributed by different manufacturers.”10 FDA regulations
provide examples of permissible differences in labeling that may result when a proposed generic
drug and the RLD are “produced or distributed by different manufacturers,” including the
omission of an indication or other aspect of labeling protected by patent or exclusivity and
“labeling revisions made to comply with current FDA labeling guidelines or other guidance.”11
FDA will refuse to approve an ANDA if information submitted in the ANDA is insufficient to
show that the labeling proposed for the generic drug is the same as the labeling approved for the
RLD, except for changes required because of differences approved in a suitability petition; or
because the proposed generic drug and the RLD are produced or distributed by different
manufacturers; or because aspects of the RLD’s labeling are protected by patent or exclusivity,
and such differences do not render the proposed drug product less safe or effective than the RLD
for all remaining, nonprotected conditions of use.12
As a general matter, all holders of marketing applications for drug products (both new drug
applications (NDAs) and ANDAs) have an ongoing obligation to ensure their product labeling is
accurate and not false or misleading. When new information becomes available that causes the
labeling to become inaccurate, false, or misleading, the application holder must take steps to
6 See 21 U.S.C. 355(j).
7 The term duplicate generally refers to a “drug product that has the same active ingredient(s), dosage form, strength,
route of administration, and conditions of use as a listed drug.” See e.g., 54 FR 28872 at 28877 (July 10, 1989).
However, the term duplicate, as used in this context, does not mean identical in all aspects to the listed drug. These
products are typically referred to as “generic drugs.”
8 See e.g., sections 505(j)(2)(A), (j)(2)(C), and (j)(4) of the FD&C Act; see also e.g., 21 CFR § 314.94(a) and §
314.127(a).
9 See section 505(j)(2)(C) of the FD&C Act and 21 CFR § 314.93.
10 See section 505(j)(2)(A)(v) and (j)(4)(G) of the FD&C Act and 21 CFR § 314.94(a)(8)(iv) and § 314.127(a)(7).
11 See § 314.94(a)(8)(iv) .
12 § 314.127(a)(7).

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update its labeling.13 A drug is misbranded if its labeling is false or misleading or does not
provide adequate directions for use and adequate warnings .14
Approved RLD labeling is revised by its application holder for a variety of reasons and is
accomplished through the submission of information to the application under the appropriate
reporting category.15 An ANDA holder is expected to update its labeling after FDA has approved
relevant changes to the labeling for the corresponding RLD. Prompt revision, submission to the
Agency, and implementation of revised ANDA labeling are important to ensure that the generic
drug continues to be as safe and effective as the corresponding RLD. FDA may withdraw
approval of an ANDA if the Agency finds that the labeling for the drug product that is the
subject of the ANDA is no longer consistent with that for the RLD.16 FDA recommends that
ANDA holders and applicants submit revised ANDA labeling at the earliest time possible
because the labeling of a generic drug generally must be the same as that of the RLD (with
certain permissible differences).17 It is the ANDA holder or applicant’s
13 See, e.g., 21 CFR § 201.56(a)(2).
14 See sections 301(a) and (b) and 502(a), (f), and (j) of the FD&C Act (21 U.S.C. 331(a) and (b) and 352(a), (f), and
(j)).
15 See 21 CFR § 314.70 and 21 CFR § 314.71; additional recommendations are contained in FDA guidances for
industry Changes to an Approved NDA or ANDA (April 2004, Rev. 1) and ANDA Submissions – Prior Approval
Supplements Under GDUFA (October 2022, Rev. 2).
16 See section 505(e) of the FD&C Act and 21 CFR § 314.150(b)(10).
17 See e.g., footnotes 9 and 15. There may be circumstances in which an ANDA holder updates its labeling, even
though there has not been an update to the labeling for the corresponding RLD. For example, an ANDA holder for a
product that omits an indication included in the NDA RLD labeling because of patent or exclusivity protection
updates the product labeling to include that indication upon expiration of the patent or exclusivity. See section
505(j)(2)(A)(v) of the FD&C Act and § 314.94(a)(8)(iv). Another example is that if an ANDA applicant makes
certain other changes to its product that are permissible, such as changes to a container closure system, then it can
update the product labeling accordingly. For more information, please see the FDA guidance for industry ANDA
Submissions – Prior Approval Supplements Under GDUFA (October 2022, Rev. 2) and the draft guidance for
industry Postapproval Changes to Drug Substances (September 2018). When final, this guidance will represent the
FDA’s current thinking on this topic. We update guidances periodically. For the most recent version of a guidance,
check the FDA guidance web page at https://www.fda.gov/regulatory-information/search-fda-guidance-documents).
If approval of the RLD’s application has been withdrawn for reasons other than safety or effectiveness, the labeling
of a pending or marketed ANDA product may need to be updated. The Consolidated Appropriations Act, 2021
(Pub. L. 116-133 (Dec. 2020)), contains provisions that added new section 503D to the FD&C Act (codified at 21
U.S.C. 353d). Section 503D provides a process to update labeling for certain generic drugs that reference an RLD
where the approval of the RLD has been withdrawn for reasons other than safety or effectiveness. FDA also has
draft guidance on this topic, but this draft guidance does not address the process for updating labeling under section
503D of the FD&C Act because it was issued prior to the enactment of section 503D (see draft guidance for industry
Updating ANDA Labeling After the Marketing Application for the Reference Listed Drug Has Been Withdrawn (July
2016)). When final, this guidance will represent the FDA’s current thinking on this topic. Updating ANDA labeling
when the RLD has been withdrawn for reasons other than safety or effectiveness is outside the scope of this
guidance and applicants should refer to section 503D of the FD&C Act or the draft guidance for industry guidance
and applicants should refer to section 503D of the FD&C Act or the draft guidance for industry Updating ANDA
Labeling After the Marketing Application for the Reference Listed Drug Has Been Withdrawn, as appropriate.

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responsibility to monitor for RLD labeling changes and to submit revised ANDA labeling to
FDA in a timely fashion.
III. 	HOW TO OBTAIN INFORMATION ON CHANGES TO RLD LABELING
ANDA applicants and holders should routinely monitor Drugs@FDA for recently approved
RLD labeling updates and make any necessary revisions to their labeling. The web page for
Drugs@FDA is https://www.accessdata.fda.gov/scripts/cder/daf/.
In addition, FDA maintains LISTSERVs that provide information about new approvals and
announcements related to labeling updates. For email updates, subscribe to CDER Drug Safety
Labeling Changes and CDER New at https://www.fda.gov/about-fda/contact-fda/get-email-
updates.
All approved RLD labeling is available from FDA’s Division of Freedom of Information.
Applicants who wish to obtain labeling using this mechanism should send a written request
via mail, fax, or the internet to:
Food and Drug Administration
Division of Freedom of Information
Office of the Executive Secretariat, OC
5630 Fishers Lane, Room 1035
Rockville, MD 20857
301-796-3900 (phone); 301-827-9267 (fax)
http://www.accessdata.fda.gov/scripts/foi/FOIRequest/index.cfm
IV. 	HOW TO SUBMIT REVISED LABELING
A. 	Process
Consistent with the statute,18 labeling changes for an ANDA must be submitted in
electronic format through the Electronic Submissions Gateway19 as described in the FDA
guidance for industry Providing Regulatory Submissions in Electronic Format – Certain
Human Pharmaceutical Product Applications and Related Submissions Using the eCTD
Specifications (February 2020, Rev. 7).20 Note that certain types of submissions (e.g., for
18 See 21 U.S.C. 379k-1.
19 See the Electronic Submissions Gateway web page at https://www.fda.gov/industry/electronic-submissions-
gateway for technical details related to submitting documents through FDA’s Electronic Submissions Gateway.
20 For more information, please visit www.fda.gov/eCTD.

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certain positron emission tomography drugs) may be exempted from the Electronic Common
Technical Document (eCTD) requirements.21
ANDA applicants and holders should submit the respective labeling documents in the
appropriate modules and sections according to the “Comprehensive Table of Contents
Headings and Hierarchy” located at FDA’s eCTD web page.22
Such submissions should include:
• 	Form FDA 356h23
• 	Cover letter24
• 	Patent and exclusivity statement in cover letter and/or eCTD submission, as needed
• 	Revised labeling
• 	A side-by-side comparison of the proposed ANDA labeling with the approved labeling
of the RLD with all differences annotated and explained, as described in
§ 314.94(a)(8)(iv)
B. 	Type of Submission
ANDA applicants and holders should note that, in general, the submission of an unsolicited
labeling amendment during a review cycle may impact the goal date.25 In certain limited
circumstances, an applicant may submit revised labeling corresponding to an RLD labeling
update after approval of the ANDA.26
1. 	Unapproved ANDAs
For unapproved ANDAs, applicants should submit labeling changes to conform to RLD labeling
updates in an amendment, following the procedures outlined in 21 CFR 314.96 and
21 See page 6 of the FDA guidance for industry Providing Regulatory Submissions in Electronic Format –
Certain Human Pharmaceutical Product Applications and Related Submissions Using the eCTD Specifications
(February 2020, Rev. 7).
22 See the current version of the Comprehensive Table of Contents Headings and Hierarchy in “eCTD Submission
Standards” at https://www.fda.gov/drugs/electronic-regulatory-submission-and-review/electronic-common-
technical-document-ectd.
23 Available on FDA’s Forms website at: https://www.fda.gov/about-fda/reports-manuals-forms/forms
24 See FDA’s guidance for industry Cover Letter Attachments for Controlled Correspondence and ANDA
Submissions (June 2023).
25 For more information on the timing of amendments and goal dates, see the FDA guidance for industry ANDA
Submissions – Amendments to Abbreviated New Drug Applications Under GDUFA (July 2018).
26 See section 505(j)(10) of the FD&C Act and MAPP 5230.3, Rev. 1, Generic Drug Labeling Revisions Covered
Under Section 505(j)(10) of the Federal Food, Drug, and Cosmetic Act, at https://www.fda.gov/about-fda/center-
drug-evaluation-and-research-cder/cder-manual-policies-procedures-mapp.

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recommendations in the FDA guidance for industry ANDA Submissions – Amendments to
Abbreviated New Drug Applications Under GDUFA (July 2018).
2. 	Tentatively Approved ANDAs
Similarly, for tentatively approved ANDAs, an applicant should submit labeling changes to
conform to RLD labeling updates in an amendment to the tentatively approved application. For
recommendations on the timing and content of amendments to tentatively approved ANDAs to
facilitate submission in a timely fashion and enable final approval on the earliest date on which
the ANDA may lawfully be approved based on patent and/or exclusivity protections, refer to the
FDA guidance for industry ANDA Submissions – Amendments and Requests for Final Approval
to Tentatively Approved ANDAs (September 2020).
3. 	Approved ANDAs
For approved ANDAs, ANDA holders generally must submit labeling updates to their ANDAs
to conform to RLD labeling updates,27 using the appropriate reporting category as outlined in
section 314.70.28 Additional recommendations can be found in the FDA guidances for industry
Changes to an Approved NDA or ANDA (April 2004, Rev. 1) and ANDA Submissions – Prior
Approval Supplements Under GDUFA (October 2022, Rev. 2).
C. 	Other Considerations
ANDA applicants and holders should consider all aspects of labeling when submitting an update
to ensure their submissions conform to the updates made to the labeling of the RLD. For
instance, when updating labeling for a particular section (e.g., WARNINGS AND
PRECAUTIONS), ANDA applicants and holders should consider whether conforming updates
to other sections of the labeling (e.g., DOSAGE AND ADMINISTRATION) are necessary
because of updates made to the labeling of the RLD.
27 As noted above in section II, certain differences in labeling may be permissible.
28 See 21 CFR 314.97 (referencing 314.70 and 314.71).