ation">specification document</a> that captures the commissioner and analyst’s joint understanding of the task. This document provides a reference for later <a href="definitions_and_key_concepts.html#validation">validation</a> assurance activities (for example, by confirming that the analysis meets the specification). This document also provides the approver with evidence that the analysis meets the specification during the <a href="delivery_and_communication.html">delivery stage</a>. The document should 