820 ILCS 405/406
An individual otherwise eligible for benefits shall not be disqualified from the receipt thereof by reason of being entitled to readjustment allowances under the Servicemen's Readjustment Act of 1944; provided, however, that the filing of a valid claim in any benefit year for readjustment allowance under said Act by a claimant for any week shall, when followed by authorization of payment thereof, be deemed an election by such claimant to avail himself of his rights to readjustment allowances under such Servicemen's Readjustment Act throughout the benefit year in which such week occurs in preference to those under this Act, and shall disqualify such claimant for benefits until whichever of the following events first occurs: (A) the exhaustion of all his rights to readjustment allowances under the Servicemen's Readjustment Act of 1944 or (B) the end of such benefit year.
820 ILCS 405/406