The element <qualityAssurance> contains details of the status of the QA process as required by the project. The data module must be identified as either being unverified or verified. This element can contain applicability information to indicate the applicability of the QA information. This applicability information must be a subset of the mandatory applicability settings for the complete data module. This applies equally to the element <qualityAssurance> and all its subelements.The element <qualityAssurance> enables applicability filtering of the data upon publication. When there is more than one occurrence of the element <qualityAssurance>, each must have different applicability statements to enable applicability filtering of the data upon publication.