in an appropriate court of the State of Maryland. 123. Effect on existing contracts (a) No effect on existing contracts Nothing in the retrocession under section 102 shall affect any obligation under any contract or agreement under which the District of Columbia or the United States is a party, as in effect on the day before the date of the retrocession. (b) Succession in interstate compacts The State of Maryland shall be deemed to be the successor to the District of Columbia for purposes of any interstate compact which is in effect on the day before the date of retrocession under section 102. II Interests of Federal Government A Property 201. Title to property (a) Retention of Federal title The United States shall have and retain title to, or jurisdiction over, for purposes of administration and maintenance, all real and personal property which, on the day before the date of the retrocession under section 102, is located in the District of Columbia and with respect to which, on such day, the United States holds title or jurisdiction for such purpose. (b) Title to property formerly held by District of Columbia The State of Maryland shall have title to, or jurisdiction over, for purposes of administration and maintenance, all real and personal property with respect to which, on the day before the date of the retrocession under section 102, the District of Columbia holds title or jurisdiction for such purposes. 202. Treatment of military lands (a) Reservation of Federal authority (1) In general Subject to subparagraph (B) and paragraph (2) and notwithstanding the retrocession under section 2, authority is reserved in the United States for the exercise by Congress of the power of exclusive legislation in all cases whatsoever over such tracts or parcels of land located in the District of Columbia that, on the day before the date of the retrocession, are controlled or owned by the United States and held for defense or Coast Guard purposes. (2) Limitation on authority The power of exclusive legislation described in