; Effective Date 59. This MSC Compact shall be adopted by the Signatories in the manner provided by law therefor and shall be signed and sealed in 4 duplicate original copies. One such copy shall be filed with the Secretary of State of the State of Maryland, the Secretary of the Commonwealth of Virginia, and the Secretary of the District of Columbia in accordance with the laws of each jurisdiction. One copy shall be filed and retained in the archives of the Commission upon its organization. This MSC Compact shall become effective upon the enactment of concurring legislation by the District of Columbia, the Commonwealth of Virginia, and the State of Maryland, and consent thereto by Congress and when all other acts or actions have been taken, including, without limitation, the signing and execution of this MSC Compact by the Governors of Maryland and Virginia and the Mayor of the District of Columbia. L. Conflict of Laws 60. Any conflict between any authority granted herein, or the exercise of such authority, and the provisions of the WMATA Compact shall be resolved in favor of the exercise of such authority by the Commission. 61. All other general or special laws inconsistent with this MSC Compact are hereby declared to be inapplicable to the Commission or its activities. .