(5 ILCS 539/10-5)
    Sec. 10-5. Authorization to accept retrocession.
    (a) Under the provisions of Section 2683 of Title 10 of the United States Code, the State of Illinois authorizes acceptance of retrocession by the United States of America of exclusive legislative jurisdiction, to the extent such jurisdiction has not previously been retroceded to the State of Illinois, the United States retaining a federal proprietary interest only, over lands consisting of the Ft. Dearborn United States Army Reserve Center, located at O'Hare International Airport in Chicago, Cook County, Illinois, more particularly described as follows:
        THAT PART OF THE SOUTHEAST 1/4 OF SECTION 32,
    
TOWNSHIP 41 NORTH, RANGE 12 EAST OF THE THIRD PRINCIPAL MERIDIAN AND THE NORTHWEST 1/4 OF SECTION 4, TOWNSHIP 40 NORTH, RANGE 12 EAST OF THE THIRD PRINCIPAL MERIDIAN, DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE WEST LINE OF THE EAST 33.00 FEET OF THE SOUTHEAST 1/4 OF SECTION 32 AFORESAID WITH THE SOUTH LINE OF SAID SOUTHEAST 1/4; THENCE SOUTH 87 DEGREES 38 MINUTES 27 SECONDS WEST, ALONG SAID SOUTH LINE, 20.44 FEET; THENCE SOUTH 11 DEGREES 16 MINUTES 33 SECONDS WEST 40.93 FEET; THENCE SOUTH 87 DEGREES 52 MINUTES 11 SECONDS WEST 218.83 FEET TO THE POINT OF INTERSECTION WITH THE SOUTHERLY EXTENSION OF A LINE DRAWN 280.00 FEET WEST OF AND PARALLEL WITH THE EAST LINE OF THE SOUTHEAST 1/4 OF SECTION 32 AFORESAID; THENCE NORTH 0 DEGREES 7 MINUTES 12 SECONDS EAST, ALONG SAID SOUTHERLY EXTENSION; 38.94 FEET TO THE SOUTH LINE OF THE SOUTHEAST 1/4 OF SAID SECTION 32 THENCE NORTH 0 DEGREES 07 MINUTES 12 SECONDS EAST, ALONG THE AFORESAID LINE DRAWN 280.00 FEET WEST OF AND PARALLEL WITH THE EAST LINE OF THE SOUTHEAST 1/4 OF SECTION 32 AFORESAID, 840.04 FEET; THENCE NORTH 44 DEGREES 52 MINUTES 47 SECONDS WEST 127.28 FEET TO A POINT 370 FEET (MEASURED PERPENDICULARLY) WEST OF THE EAST LINE OF SAID SOUTHEAST 1/4; THENCE NORTH 89 DEGREES 52 MINUTES 48 SECONDS WEST 730 FEET TO THE WEST LINE OF THE EAST 1100 FEET OF THE SOUTHEAST 1/4 OF SECTION 32 AFORESAID; THENCE NORTH 0 DEGREES 07 MINUTES 12 SECONDS EAST ALONG SAID EAST LINE 545.10 FEET TO THE CENTER LINE OF HIGGINS ROAD; THENCE SOUTHEASTERLY ALONG SAID CENTER LINE, 468.74 FEET ALONG THE ARC OF A CIRCLE CONVEX NORTHEASTERLY, HAVING A RADIUS OF 8105.00 FEET AND WHOSE CHORD BEARS SOUTH 74 DEGREES 23 MINUTES 42 SECONDS EAST 468.67 FEET; THENCE CONTINUING ALONG THE CENTER LINE OF HIGGINS ROAD SOUTH 72 DEGREES 44 MINUTES 18 SECONDS EAST TANGENT TO THE ABOVE DESCRIBED CURVED LINE 678.48 FEET TO THE EAST LINE OF SAID SOUTHEAST 1/4; THENCE SOUTH 0 DEGREES 07 MINUTES 12 SECONDS WEST ALONG SAID WEST LINE 527.91 FEET; THENCE SOUTH 87 DEGREES 38 MINUTES 27 SECONDS WEST, ALONG A LINE DRAWN PARALLEL WITH THE SOUTH LINE OF SAID SOUTHEAST 1/4, 33.03 FEET TO THE WEST LINE OF THE EAST 33 FEET OF SAID SOUTHEAST 1/4; THENCE SOUTH 0 DEGREES 07 MINUTES 12 SECONDS WEST, ALONG SAID WEST LINE, 610 FEET TO THE HEREINABOVE DESCRIBED POINT OF BEGINNING, IN COOK COUNTY, ILLINOIS.
Further, the State of Illinois accepts retrocession of and authorizes acceptance of retrocession over all those lands owned by the United States that may subsequently be identified by the Department of the Army as part of the Ft. Dearborn United States Army Reserve Center, although not included within the legal description contained in this subsection, to the extent exclusive jurisdiction has not previously been retroceded to the State of Illinois. Any additional land over which the State accepts retrocession of jurisdiction shall be identified in a notice filed by the Governor as provided in subsection (d).
    (b) By retaining in the subject lands a federal proprietary interest only, there exists a right of the United States to perform the functions delegated to it by the United States Constitution and directed by statutory enactment of the United States Congress without interference from any source. The State of Illinois may not impose its regulatory power directly upon the United States and may not tax the land under the federal proprietary interest; however, the State of Illinois may tax a lessee's interest in the land to the extent State law permits.
    (c) Subject to subsection (b), the State of Illinois accepts cession of exclusive federal legislative jurisdiction from the United States, and the State of Illinois retains all the legislative jurisdiction over the area it would have if a private individual rather than the United States owned the land.
    (d) The Governor of the State of Illinois is authorized to accept the retrocession of exclusive legislative jurisdiction over the subject lands by filing a notice of acceptance with the Illinois Secretary of State.
    (e) Upon transfer by deed of subject lands, or any portion thereof, by the United States of America, the proprietary interest retained by the United States shall expire as to the particular property transferred.
(Source: P.A. 91-367, eff. 7-30-99.)