U.S. flag An official website of the United States government

On Oct. 1, 2024, the FDA began implementing a reorganization impacting many parts of the agency. We are in the process of updating FDA.gov content to reflect these changes.

  1. Home
  2. Drugs
  3. Development & Approval Process | Drugs
  4. Forms & Submission Requirements
  5. Electronic Regulatory Submission and Review
  6. eCTD Submission Standards for eCTD v3.2.2 and Regional M1
  1. Electronic Regulatory Submission and Review

eCTD Submission Standards for eCTD v3.2.2 and Regional M1

The table below lists all the documents and supportive files applicable to eCTD submissions to CDER and CBER.  

Version History 

  • 02/21/2025 – Updates to eCTD Comprehensive Table of Contents Headings and Hierarchy; Updated Support Begins for Valid Values.xml v6.0; Removed Valid Values v5.0
  • 02/12/2025 – Updates to File Format Specification

  • 03/20/2024 – Updates to File Format Specification
  • 09/09/2024 – Updates version of Lorenz tool, eCTD Technical Conformance Guide, and Comprehensive Table of Contents Headings and Hierarchy; adding Valid-Values.xml v6.0

  • 12/01/2023 – Updates to File Format Specification

  • 3/15/2022 - Version 4.4    
    • Removal of M1 v1.3 and Supportive Files section (M1 Specification v1.3, eCTD CTOC v1.2.2, US Regional DTD 2.01, US Regional Stylesheet v1.1); Updates to eCTD Validation Criteria and eCTD Technical Conformance Guide
  • 5/11/2022 - Version 4.5
    • Updates made to eCTD Validation Criteria
  • 8/12/2022 - Version 4.6
    • Updates made to File Format Specification
  • 11/4/2022 - Version 4.7
    • Updates made to the eCTD Technical Conformance Guide and Lorenz docuBridge tool version
  • 12/01/2022 - eCTD Submission Standards migrated to the web

  • 3/15/2021 - Version 3.9
    • Updates made to eCTD Validation Criteria, form-type.xml, and File Format Specification; Removal of valid-values v2.2 and v3.0 which are no longer supported
  • 5/28/2021 - Version 4.0
    • Updates made to File Format Specification and eCTD Validation Criteria
  • 6/24/2021 - Version 4.1
    • Updates made to Transmission Specification and eCTD Validation Criteria
  • 8/16/2021 - Version 4.2
    • Updates made to the eCTD Validation Criteria; Date Requirement Begins listed for M1 v. 2.5 and Supportive Files and M1 v. 2.5 Attribute List
  • 10/1/2021 - Version 4.3
    • Updates made to Technical Conformance Guide and File Format Specification


Submission Standards for eCTD v3.2.2 and Module 1 v3.3 


Validation Tools and Electronic Submission Validation Criteria in Use

Tool NameStandard Being ValidatedTool Version in UseTool in Use as of DateValidation Criteria
Lorenz eValidatoreCTD23.109/09/2024Specifications for eCTD Validation Criteria
Pinnacle 21 EnterpriseSDTM, SEND, ADaM, ASCII, Define, XML3.211/4/2017FDA Business Rules and FDA Validator Rules
Back to Top