Data and metadata to provide:<br /></p><p><br /></p><p><ul><li>Traceability </li><br /></p><p><li>Reproducibility </li><br /></p><p><li>Data Confidence </li><br /></p><p></ul><br /></p><p><br /></p><p>Standardised Comments to justify changes (Codelist?)<br /></p><p><br /></p>