Final answer:
The due date for the health policy brief is not specified within the provided information. Students should refer to their course materials or contact their instructor for the exact submission date.
Step-by-step explanation:
The finalized group health policy brief is a document meant to inform legislators about specific health policy issues. The due date for the policy brief including evidence of submission to a legislator is not provided within the sources or information given. In real-world scenarios, such dates are generally specified by the course instructor or the organizing body that has mandated the creation of the brief. Students should check the syllabus, official assignment guidelines, or contact their instructor directly for the correct due date.