All property of the United States is exempt, except such property as the United States has permitted or may permit to be taxed.
35 ILCS 200/15-50
United States property
Laws 1959, p. 1549, 1554, 2219, and 2224; P.A. 88-455.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.