Module 4: Data Governance & Dataset Documentation Module 4 documents training data (source, size, period, coverage), collection methodology, preparation steps, bias assessment, data quality metrics per ISO/IEC 25012, special category data processing (Article 10(5)), data lineage, validation and test datasets, and retention policy. The Technical SME drafts; the DPO Liaison reviews data protection aspects. See for the detailed data governance treatment. Key outputs

• Training data description and provenance
• Bias assessment methodology and results
• Data lineage and retention policy