(315 ILCS 5/4) (from Ch. 67 1/2, par. 66)
    Sec. 4. Excepting any municipality for and in which there exists a Department of Urban Renewal created pursuant to the provisions of the "Urban Renewal Consolidation Act of 1961", enacted by the Seventy-Second General Assembly, the governing body of any municipality having more than 25,000 inhabitants, as determined by the last preceding Federal census, or of any county of this State, may, by resolution, determine that there is need for a Commission in such municipality or county to exercise the powers and authority prescribed by this Act. Upon adoption, such resolution shall be forwarded to the Department, together with a statement of reasons or findings supporting such resolution. The Department shall thereupon issue a certificate to the presiding officer of such municipality or county for the creation of such Commission if it shall find that one or more slum or blighted areas exist in such municipality or county. In determining whether slum or blighted areas exist, the Department may take into consideration the degree of over-crowding, the percentage of land coverage, the light, air, space and access available to the inhabitants or dwelling accommodations, the size and arrangement of the rooms, the sanitary facilities, the age and condition of the buildings and the extent to which conditions exist in such buildings which endanger the life, health, safety, morals and welfare of the occupants thereof. No Commission shall be created for any municipality for and in which there exists a Department of Urban Renewal created pursuant to the provisions of the "Urban Renewal Consolidation Act of 1961", enacted by the Seventy-Second General Assembly.
(Source: P.A. 81-1509.)