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  6. Electronic Common Technical Document (eCTD)
  1. Electronic Regulatory Submission and Review

Electronic Common Technical Document (eCTD)

The eCTD is the standard format for submitting applications, amendments, supplements, and reports to FDA’s Center for Drug Evaluation and Research (CDER) and Center for Biologics Evaluation and Research (CBER).

Important Dates

Reminder: Per Providing Regulatory Submissions In Electronic Format — Standardized Study Data, Guidance for Industry, electronic submission of standardized study data is required for NDA, BLA, ANDA, and Commercial IND. FDA plans to implement eCTD validation checks when submissions contain content under modules 4 and 5 beginning September 15, 2021. Submissions which fail this validation will be subject to rejection. Please see the Technical Rejection Criteria for Study Data and the eCTD Validation Criteria (error code 1734, 1735, 1736, 1789) for details.

After the dates listed below, eCTD requirements for submissions to CDER and CBER will go into effect and submissions that do not use eCTD will not be filed or received.

  • May 5, 2017: New Drug Applications (NDAs), Abbreviated NDAs (ANDAs), and Biologics License Applications (BLAs), must be submitted using eCTD format.
  • May 5, 2018: Commercial Investigational New Drug Applications (INDs) and Master Files must be submitted using eCTD format.
  • Please refer to the eCTD Guidance for the complete details to meet the eCTD requirement.

Visit our Submit Using eCTD page to learn how to submit an application using eCTD and obtain an ESG account.
To view all eCTD Submission Resources, visit our eCTD Resources page.

Electronic submission requirements will apply to the following types of submissions to CDER/CBER:

  • NDAs
  • ANDAs
  • BLAs
  • Commercial IND applications (for products that are intended to be distributed commercially)
  • All subsequent submissions to these types of applications, including amendments, supplements, and reports, even if the original submission was filed before the requirements went into effect
  • Master files, such as DMFs, which are considered to be submissions to an IND, an NDA, an ANDA, or a BLA

Electronic submission standards will be optional but encouraged for the following categories:

  • Noncommercial INDs, such as investigator-sponsored INDs and expanded-access INDs
  • Submissions for blood and blood components, including source plasma
  • Submissions for promotional materials for human prescription drug
  • Electronic submissions must use the version of eCTD currently supported by FDA, which is specified in the FDA Data Standards Catalog on the Study Data Standards Resources page. Updates to the standard will be announced on the FDA website and published in the Federal Register. The notices will include the date on which the new versions will go into effect.
  • For a listing of Specifications, Supportive Files, and versions related to eCTD, please refer to eCTD Submission Standards (XLS - 57KB) or eCTD Submission Standards (PDF - 91KB).

Notice 6/23/2021
FDA eCTD v4.0 Validation and CTOC Posted NEW

Notice 3/10/2021
FDA announces effective date for study data information NEW

Notice 1/18/2021
FDA eCTD v4.0 Updates

Notice 11/9/2020
FDA announces end of support for US Regional DTD v2.01 on March 1, 2022

Notice 7/27/2020
eCTD Submission Type of REMS Supplement is now available

Notice 1/30/2019
FDA Extends Compliance Date for Submitting DMF Type lll in eCTD format

The FDA extended the compliance date for submitting DMF Type lll in eCTD format to May 5, 2020. See the FDA guidance document for additional information on the compliance date and FDA’s Drug Master File page for additional information on DMFs.

Notice 11/30/2018

FDA plans to accept eCTD sequences with an eCTD submission type of “REMS Supplement” in the future. Implementation date is TBD. See submission-type.xml and M1 Specifications (located in the eCTD Submission Standards) for details.

Notice 6/1/2018
Please be advised that the FDA’s eCTD Access Data Website will update ciphers and SSL protocols in Production on September 1, 2018

Please make sure your system used to connect with the FDA’s eCTD Access Data website can connect with compatible secure ciphers and SSL protocols listed below.
SSL Protocols / Cipher Suites
        TLS 1.1 or higher

Example links to eCTD Access Data Website:

What action do you need to take?
If you want to continue to access the eCTD Access Data website, you need to ensure your browser(s)/Servers have TLS 1.1 or higher enabled. If your browser or Servers do not have TLS 1.1 or higher enabled after FDA makes this change, then you will NOT be able to access these eCTD websites.

Backend servers that communicate with the eCTD Access Data Website links should also be communicating using TLS 1.1 or higher. Please contact your IT System Administrators or Technology Support personnel for appropriate methods to enable/upgrade your servers.

Notice 4/24/2018
FDA Extends Compliance Date for Submitting DMF Type lll in eCTD format

The FDA extended the compliance date for submitting DMF Type lll in eCTD format to May 5, 2019.  See the FDA guidance document for additional information on the compliance date and FDA’s Drug Master File  page for additional information on DMFs

Important Notice 5/18/2016
Third Acknowledgement for Successful eCTD Submissions

Beginning May 31, 2016, CDER will begin issuing an acknowledgement to FDA Electronic Submissions Gateway (ESG) users when their NDA, ANDA, BLA, IND, or DMF submission has successfully completed validation and processing and is available to the assigned review division. This acknowledgement is in addition to the ESG Message Delivery Notification acknowledgement (first acknowledgement) and the Official Center acknowledgement (second acknowledgement) and is referred to as the “third acknowledgement.”

For additional notices, please see eCTD Important Notices.

Stay Connected

If you have questions for CDER, please contact the CDER Electronic Submission (ESUB) Support Team at esub@fda.hhs.gov.

If you have questions for CBER, please contact the CBER ESUB Support Team at esubprep@fda.hhs.gov.




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