Quarterly report on the activities being taken to revise the Washington Metropolitan Area Transit Authority Compact of 1966 and implementing other reforms necessary to ensure the near-term and long-term viability of the Washington Area Metropolitan Transit Authority (WMATA), including reforms related to:  (i) the legal and organizational structure of WMATA; (ii) the composition and qualifications of the WMATA Board of Directors and the length of terms of its members; (iii) labor costs and labor relations; (iv) measures necessary to resolve WMATA's unfunded pension liability and other postemployment  benefits; (v) measures necessary to better ensure the safety of riders and employees, including safety in the event of a homeland security emergency in the national capital area; and (vi) financial and operational improvements necessary to ensure that WMATA's performance is at least as efficient as its closest comparable transit systems in the United States. [Quarter ending June 30, 2023]