Comprehensive and Detailed Since the concern is aboutcompliance with federal legislation, the BA mustcompare the requirements with regulatory requirements to ensure compliance. The BABOK Guide (Chapter 10.37 - Risk Analysis and Management)states thatfailure to ensure compliance with government regulations can result in legal and financial risks. Traceability (Option A)is important but does not directly address compliance concerns. Reassuring the sponsor (Option B)is not a valid solution without confirming compliance. Communication planning (Option C)helps with engagement but does not resolve compliance risks.