750 ILCS 5/210
Upon receipt of the marriage certificate, the county clerk shall register the marriage. Within 45 days after the close of the month in which a marriage is registered, the county clerk shall make to the Department of Public Health a return of such marriage. Such return shall be made on a form furnished by the Department of Public Health and shall substantially consist of the following items:
(from Ch. 40, par. 210)
(Source: P.A. 85-1307.)