Ill. Admin. Code tit. 20, § 1225.50
a) Property forfeited under the Act shall be sold by the Director except in the following circumstances:
3) The seizing agency or the prosecutor responsible for the forfeiture requests in writing that the Director return the property to the agency or prosecutor; and
e) In the event more than one agency participated in the law enforcement effort resulting in the forfeiture, the distribution among the agencies shall bear a reasonable relationship to the degree of participation by each agency. In making this determination, the Director shall consider: