The Illinois Department of Corrections or the Department of Juvenile Justice, not later than 6 months prior to the anticipated release from imprisonment or the anticipated entry into mandatory supervised release of a person who has been convicted or adjudicated delinquent of a sexually violent offense, shall send written notice to the State‘s Attorney in the county in which the person was convicted or adjudicated delinquent of the sexually violent offense informing the State’s Attorney of the person’s anticipated release date and that the person will be considered for commitment under this Act prior to that release date.