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Verify: Engine and Vehicle Compliance System


This page contains links to various documents helpful for working with the Verify information system.

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Guidance Documents

For documents associated with the CDX account set up procedure, please read the Verify information system account set up information.

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Support Files for Current Verify Submissions

Common Services

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Emissions Defect Information Reports (EDIR), Voluntary Emission Recall Reports (VERR), and Quarterly Reports

Note: This section applies only to Light Duty Vehicle and Heavy Duty On Highway Engines.
Version (9) of Adobe Reader or Adobe Acrobat Professional, Version 7.0.2 or later, is needed to use the forms. See also Adobe Reader for PDF files for more information about Adobe Reader.

Motorcycle/All Terrain Vehicle

Light-Duty Vehicle

  • Data Requirements (XLS) (708K, June 2015) - Release 16.1.8
  • Schema (Zip) (82.9K, November 2014) - Release 16.0
  • XML Schema Change Log (PDF) (4 pp, 59K, November 2014) - Release 16.0
  • Business Rules (XLS) (866K, June 2015) - Release 17.0
  • Tier 3 Example CSI (PDF) (31 pp, 83K, October 2014) - Release 15.0
  • Tier 3 Example FFV CSI (PDF) (33 pp, 906K, February 2015) – Release 15.0
  • Submission Processing Reports Style Sheet (XSL) (4K, August 2008) - Release 4B.
  • Draft Manufacturer Users' Guide (PDF) (46 pp, 8.8MB, September 2008) - Release 4B.

Heavy-Duty Diesel

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  • Certification
    • Schema (Zip file of XSD) (22.7K, January 2015) - Release 16.0
    • Schema Change Log (Release 16.0) (PDF) (2 pp, 25K, January 2015) - Release 16.0
    • Data Requirements (XLS) (815K, January 2015) - Release 16.0
    • Business Rules (XLS) (657K, January 2015) - Release 16.0
    • Models and Parts CSV Template (XLS) (40K, November 2012)
    • Standards Decision Table (XLS) (120K, December 2014) - Release 16.0
    • Calculations Spreadsheet (XLS) (151K, June 2015) - Release 17.0

Non-Road Spark Ignition

  • Certification
    • Schema (Zip file of XSD) (21.3K, January 2015) - Release 16.0
    • NRSI Schema Change Log (PDF) (1 pg, 21K, January 2015) - Release 13.1
    • Data Requirements (XLS) (320K, January 2015)
    • Models and Parts CSV Template (XLS) (40K, August 2010)
    • Business Rules (XLS) (694K, January 2015)
    • Document Details (XLS) (30K, August 2010)
    • Draft NRSI Users' Guide (PDF) (46 pp, 4.9MB, August 2010)

Non-Road Compression Ignition

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Heavy-Duty Motor Vehicles and Engines

Marine Compression Ignition. IMO

Electric Motorcycle, Portable Fuel Container, Heavy-Duty Evaporative, and Snowmobile

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Development (Draft) Documents

Heavy-Duty Motor Vehicles and Engines

Heavy-Duty Diesel

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