IVI 2.0 XML validation for eCoC
A practical eCoC XML validation readiness guide for manufacturers preparing vehicle data, IVI/XML context and correction ownership before output.
Published:
Digital CoC keeps the focus on manufacturer-side certificate operations: preparation, ownership, readiness, release coordination and archive visibility. The summary below is written for manufacturer teams evaluating a real operational workflow.
Validation is a readiness discipline
eCoC XML validation is strongest when required information, approval context and correction ownership are visible before the final file is produced. The team should know whether a record is incomplete, waiting for review or ready for output. Digital CoC is built for vehicle manufacturers and authorized teams preparing repeated eCoC or Vehicle COC work. It is not an individual vehicle-owner COC ordering service.
How Digital CoC supports XML readiness
Digital CoC helps teams organize required data, review status and exception handling around certificate records. It supports the work that leads to cleaner IVI/XML output without claiming to replace authority acceptance decisions.
Questions before XML validation
- Which fields must be complete before XML preparation?
- Which data comes from approval context, ERP/API sources or manual review?
- Who owns corrections for missing or inconsistent information?
- How are validation findings returned to daily users?
- Which records should remain blocked before output preparation?
A valid schema is one part of release readiness
Schema validation checks a document against a defined structure and constraints. Your release process should also address the accuracy of the source vehicle data and the receiving service’s additional rules. Record the exact file and schema version used for each check. After a correction, repeat the checks affected by that change.
- Vehicle data review
- Schema scope
- Error ownership
- Signing handover
- Team coordination
- Record history
Keep validation, signing and submission evidence distinct
Agree how an approved record moves into the signing workflow and which signed file is authorised for submission. Treat the receiving service’s response as a separate result. Preparing or validating an XML file does not by itself demonstrate that an authority has accepted it.
- Confirm the receiving service and required IVI schema version
- Review VIN, manufacturer and type-approval data
- Check required fields, units and permitted values
- Validate the XML against the agreed schema
- Assign each error to the team that owns the source data
- Recheck the corrected file before signing
- Retain the validation result with the release record
Give each issue a responsible team
Homologation teams review approval data; technical teams manage schema and interface requirements; compliance teams define the evidence needed for release. Digital CoC supports coordination of these preparation activities. Use a demonstration to confirm the checks and integrations available for your scope.
- Vehicle data review
- Schema scope
- Error ownership
- Signing handover
- Team coordination
- Record history
Organise the review around clear responsibilities
- Vehicle data review
- Schema scope
- Error ownership
- Signing handover
- Team coordination
- Record history
An eCoC XML validation checklist
- Confirm the receiving service and required IVI schema version
- Review VIN, manufacturer and type-approval data
- Check required fields, units and permitted values
- Validate the XML against the agreed schema
- Assign each error to the team that owns the source data
- Recheck the corrected file before signing
- Retain the validation result with the release record
A valid schema is one part of release readiness
- Schema validation checks a document against a defined structure and constraints. Your release process should also address the accuracy of the source vehicle data and the receiving service’s additional rules.
- Record the exact file and schema version used for each check. After a correction, repeat the checks affected by that change.
Keep validation, signing and submission evidence distinct
Reviewed: 2026-09-30. Digital CoC content review
Frequently asked questions
Does validation guarantee authority acceptance?
No. Validation readiness reduces avoidable data issues, but manufacturers remain responsible for final interpretation, submission and authority outcomes.
Should XML validation start only at the end?
No. Earlier readiness checks help teams correct missing or inconsistent information before the output stage.
Can Digital CoC help non-technical users?
Yes. It makes preparation status and ownership visible without requiring every user to read raw XML.
Discuss the workflow
Share your current certificate process with Digital CoC so the first practical scope can be evaluated around real records.