effect on pending proceedings All existing writs, actions, suits, judicial and administrative proceedings, civil or criminal liabilities, prosecutions, judgments, sentences, orders, decrees, appeals, causes of action, claims, demands, titles, and rights shall continue unaffected by the admission of the State into the Union with respect to the State or the United States, except as may be provided under this Act, as may be modified in accordance with the provisions of the State Constitution, and as may be modified by the laws of the State or the United States, as the case may be. 123. Limitation on authority to tax Federal property The State may not impose any tax on any real or personal property owned or acquired by the United States, except to the extent that Congress may permit. 124. United States nationality No provision of this Act shall operate to confer United States nationality, to terminate nationality lawfully acquired, or to restore nationality terminated or lost under any law of the United States or under any treaty to which the United States is or was a party. II Interests of Federal Government A Federal Property 201. Treatment of military lands (a) Reservation of Federal authority (1) In general Subject to paragraph (2) and subsection (b) and notwithstanding the admission of the State into the Union, 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 State that, on the day before the date of the admission of the State into the Union, 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 paragraph (1) shall vest and remain in the United States only so long as the particular tract or parcel of land involved is controlled or owned by the United States and held for defense or Coast Guard purposes. (b) Authority of State (1) In general The reservation of