# VDA 231-301

Customer & Industry Requirements

###### Digital Data Exchange in Material Sampling — Exchange of Test Results

## German OEMs Now Require Structured Material Test Data. Can Your Supply Chain Deliver VDA 231-301-Compliant JSON Packages?

VDA 231-301 compliance demands structured, machine-readable test data in JSON format—exchanged consistently across OEMs, suppliers, and laboratories. Mercedes-Benz, Volkswagen, and BMW Group are embedding this standard in supplier quality agreements. Manual test reports and PDF-based sampling records no longer meet production part approval requirements. Subschema updates are ongoing.

Certivo automates material test data collection, schema mapping, and OEM-ready VDA 231-301 package generation.

02/2025

Official VDA Publication Date

JSON

Standardized Schema Format for Test Data Exchange

Multi-Tier

OEM-to-Supplier Data Exchange Requirement

## Regulation Overview

**Jurisdiction**: Germany / EU (OEM-specific standard used globally in automotive supply chains)

**Regulatory Body**: Verband der Automobilindustrie (VDA)

**Regulation Number**: VDA 231-301

**Effective Date**: February 2025 (official publication)

**Official Source**: [https://webshop.vda.de/VDA/en/vda-231-301-022025](https://webshop.vda.de/VDA/en/vda-231-301-022025)

**Key Threshold**: VDA 231-300 (3D Dataset Requirements) / VDA Volume 2 (PPA/PPF)

# What Is VDA 231-301?

VDA 231-301 is the VDA's open, vendor-neutral data model for the digital management of material, substance, and test data in automotive supply chains and the cornerstone of OEM-driven digital material sampling. For compliance teams, the primary obligation is delivering structured material test results—in JSON format—that pass automated validation across OEMs, tier suppliers, and testing laboratories.

The standard uses a modular JSON schema architecture with domain-specific subschemas including VDA 278 (thermal desorption analysis) and SEP 1240 (material testing). VDA 231-301 builds on VDA 231-300, which embeds material and surface requirements in 3D CAD datasets using the JT format per ISO 14306. Together they create a centralized compliance data backbone for material data management from design through series production. Mercedes-Benz, Volkswagen, BMW Group, ZF, Bosch, and Continental collaborated on its development.

VDA 231-301 compliance requires property-level and substance-level data from every material supplier. When new subschemas are released, your entire supplier evidence portfolio requires reassessment.

## Key Components / Sub-Frameworks

**Obligation**: Defines mandatory data fields for all test result submissions

**Generic Core Schema**: Stable, version-controlled JSON data model for material test data

**Obligation**: Required for emissions test result exchange per OEM specifications

**VDA 278 Subschema**: Thermal desorption analysis for VOC/fogging emissions testing

**Obligation**: Structures mechanical test result data for standardized exchange

**SEP 1240 Subschema**: Steel and materials testing standard

**Obligation**: Links test data to CAD-embedded material specifications

**VDA 231-300 Integration**: Material and surface requirements in 3D datasets (JT format)

**Obligation**: VDA 231-301 test data is integral evidence in approval packages

**PPA/PPF Linkage (VDA Volume 2)**: Production Process and Product Approval procedure

**Obligation**: Substance declarations must align with structured test data

**GADSL / IMDS Interface**: Global Automotive Declarable Substance List and International Material Data System

## Key Compliance Requirements

# Who Must Comply

- Tier 1, Tier 2, and Tier 3 suppliers to German and European automotive OEMs
- Material suppliers and raw material producers providing test certificates
- Testing laboratories generating material sampling reports
- Component manufacturers assembling parts from multiple material sources
- Quality teams responsible for PPA/PPF documentation per VDA Volume 2
- Non-EU suppliers exporting into German OEM supply chains

# Key Thresholds

#### JSON Schema Conformance

All material test data must conform to VDA 231-301 JSON structure

#### Subschema Version Match

Domain-specific results (VDA 278, SEP 1240) must use the correct subschema

#### PPA/PPF Evidence

Material sampling data must meet VDA Volume 2 (7th edition) requirements

#### IMDS / GADSL Alignment

Substance declarations must be consistent with IMDS entries and GADSL

## Core Obligations

1. **Structured Test Data Submission**  
   `Transmit material sampling results in VDA 231-301 JSON format`  
   `DEADLINE`  
   `Per OEM supplier quality agreement timelines`

2. **Schema Validation**  
   `All submitted data must pass automated JSON schema validation`  
   `DEADLINE`  
   `At each submission to OEM or Tier n-1 customer`

3. **Subschema Selection**  
   `Use the correct domain-specific subschema for each test type`  
   `DEADLINE`  
   `At data generation by laboratory or supplier`

4. **PPA/PPF Evidence Package**  
   `Include VDA 231-301-compliant data in production part approval submissions`  
   `DEADLINE`  
   `Before series production release (SOP)`

5. **Traceability & Audit Trail**  
   `Maintain complete data lineage from raw test result to OEM submission`  
   `DEADLINE`  
   `Continuous throughout product lifecycle`

## VDA 231-301-Specific Pain Points

###### The Format Fragmentation Problem  
Every testing laboratory and material supplier sends results differently—PDFs from one lab, Excel from another, proprietary formats from a third. Your quality team manually re-enters data into internal systems, introducing transcription errors. With VDA 231-301 requiring machine-readable JSON, the gap between what suppliers deliver and what OEMs demand makes your team a manual data conversion bottleneck without AI document parsing and certificate validation.

###### The Multi-Tier Data Chain Break  
A customer requests a VDA 231-301-compliant package. You need structured test data from 8 suppliers across 3 tiers. Supplier 1 sends a scanned PDF. Supplier 2 provides proprietary XML. Supplier 3 doesn't respond. Week 4: you're still manually reconciling formats. Week 6: the PPA/PPF deadline passes. Multi-tier supply chain transparency collapses when data formats are incompatible.

###### The Subschema Complexity Trap  
VDA 231-301 is not a single schema—it is a modular architecture with domain-specific subschemas. VDA 278 for emissions testing, SEP 1240 for mechanical testing, VDA 231-300 for 3D dataset requirements—each has its own structure and versioning. A supplier compliant with the core schema but using the wrong subschema version for a VDA 278 submission fails OEM validation. Without regulatory intelligence and horizon scanning, tracking which subschema applies to which test is unsustainable.

###### The Audit Trail Gap  
OEMs require full traceability from raw test measurement to final approval package. When a material supplier changes a steel grade, the test lab reissues a certificate, and quality updates PPA/PPF documentation—every step must be traceable. Without a centralized compliance data backbone linking test data, substance declarations, and approval workflows, audit readiness depends on engineers remembering which email contained which version of which report.

# Certivo In Action

## Certivo in Action—VDA 231-301 Workflow

**GET EVIDENCE IN**

Collect Material Test Data from Every Supplier and Lab—Without the Chasing

CORA launches targeted campaigns to collect material sampling test results and laboratory certificates, follows up automatically, and accepts responses in any format.

- Launch material data campaigns to hundreds of suppliers with one click
- CORA-powered outreach in suppliers' native languages
- Accept any format: PDFs, Excel, proprietary lab reports, XML exports, legacy certificates
- Track response rates and escalate non-responders automatically via centralized supplier self-service portals

**MAKE SENSE OF IT**

Know Instantly When Test Data Fails Schema Validation or Substance Thresholds

CORA extracts every material property and test value, maps them to VDA 231-301 JSON schema fields, and validates against the correct subschema automatically.

- CORA parses lab reports to extract material properties, measured values, and pass/fail determinations
- Automatic mapping to core schema and domain-specific subschemas (VDA 278, SEP 1240)
- Real-time alerts when data fails validation or GADSL substance flags are triggered
- BOM substance and threshold management linking test data to component-level specifications

**PROVE COMPLIANCE OUT**

Deliver OEM-Ready VDA 231-301 Packages in Hours, Not Weeks

Generate schema-compliant PPA/PPF evidence packages instantly from validated supplier data.

- One-click VDA 231-301 JSON packages for OEM submission
- Pre-validated PPA/PPF evidence aligned with VDA Volume 2 requirements
- Customer-specific templates with full traceability for continuous compliance monitoring and audit readiness
- Complete audit trail for every validation and submission

## One Supplier Submission. Automated Schema Mapping. OEM-Ready VDA 231-301 Packages in Hours.

Certivo reads supplier test reports, extracts material properties to measured-value precision, maps results to VDA 231-301 JSON schema specifications, and generates validated OEM packages automatically. When new subschemas are released, Certivo reassesses your portfolio and alerts you—before the next PPA/PPF deadline.

**AI Data Extraction**  
**VDA 231-301 Schema Validation**  
**PPA/PPF Package Generator**  
**GADSL/IMDS Cross-Check**  
**Subschema Version Tracking**

## Features Tabs

- **Automated Supplier Data Collection**  
  Certivo's automated campaigns achieve 95% response rates vs. 20–30% with manual outreach.
- **AI-Powered Data Extraction**  
  Every test report parsed to individual material property and measured value level automatically—no manual data entry.
- **Schema Validation & Monitoring**  
  Always validated against the latest VDA 231-301 schema—not your last manual check.
- **OEM Package Generation**  
  Generate schema-compliant VDA 231-301 packages in hours instead of 4–6 weeks.
- **PLM/QMS Integration**  
  Structured test data flows directly into your existing quality and product lifecycle systems.

## Related Regulations

- **VDA 231-300**: Companion standard for material requirements in 3D datasets (JT format)
- **VDA Volume 2 (PPA/PPF)**: Production Process and Product Approval; references VDA 231-301 directly
- **IMDS**: International Material Data System for automotive substance declarations
- **GADSL (VDA 232-101)**: Global Automotive Declarable Substance List
- **EU REACH**: Substance-level SVHC tracking in articles above 0.1% w/w
- **EU RoHS**: Restriction of hazardous substances in electronics; automotive-grade overlap

## Industries Most Impacted

### Automotive Manufacturing  
Your Pain Point: OEM-mandated structured test data; PPA/PPF evidence; multi-tier coordination

### Industrial Machinery & Heavy Equipment  
Your Pain Point: Shared supply base with automotive OEMs; legacy format test certificates

### Electronics Manufacturing  
Your Pain Point: Automotive-grade component compliance; VOC/fogging via VDA 278 subschema

### Aerospace & Defense  
Your Pain Point: Overlapping material testing standards; stringent audit trail requirements

### Chemical Manufacturing  
Your Pain Point: Raw material test data generation; downstream OEM VDA 231-301 demands

### Building Materials & Construction  
Your Pain Point: Automotive-adjacent material supply; mechanical test data exchange growing

## Return on Investment

- **80% Reduction in Data Conversion Labor**: From Manual Re-Entry to Automated Schema Mapping
- **4 Hours To OEM-Ready Package**: PPA/PPF Submission Acceleration
- **Continuous Compliance Monitoring & Audit Readiness**: Proactive Schema and Requirement Tracking

## Key Statistics

- **99.2%** Material test data extraction accuracy from supplier documents
- **95%** Supplier response rate with CORA-powered campaigns
- **4 hrs** from raw supplier data to OEM-ready VDA 231-301 package

## Frequently Asked Questions

**What companies are subject to VDA 231-301 obligations?**
Any company in the automotive supply chain that provides or receives material sampling test data must comply when required by OEM quality agreements. This includes material suppliers, testing laboratories, Tier 1–3 component manufacturers, and quality teams responsible for PPA/PPF documentation per VDA Volume 2. The obligation extends to non-EU suppliers exporting into German OEM supply chains.

**What happens if suppliers cannot deliver VDA 231-301-compliant data?**
OEMs integrating VDA 231-301 into PPA/PPF workflows can reject production part approval submissions that lack structured, schema-validated test data. Rejection delays series production launch, triggers re-sampling requirements, and risks supplier performance downgrading.

**How does Certivo track updates to VDA 231-301 subschemas?**
Certivo maintains continuous sync with the official VDA 231-301 GitHub repository, incorporating new subschemas within days of release.

**What data formats does Certivo accept from suppliers and laboratories?**
Certivo accepts any format: PDF test certificates, Excel spreadsheets, proprietary lab reports, XML exports, IMDS data, and freeform responses.

**Does Certivo support VDA 231-301 alongside REACH, RoHS, and IMDS requirements?**
Yes. Certivo validates the same supplier submission against VDA 231-301 schema requirements, GADSL substance restrictions, IMDS declaration obligations, REACH SVHC thresholds, and RoHS restricted substances simultaneously.