Ill. Admin. Code tit. 47, § 366.401
Upon approval by the Members of a Single Family Program containing provisions for the purchase of Loans on Qualified Dwellings to be constructed by HomeBuilders, the Authority may send application materials to potential HomeBuilders inviting them to submit to the Authority requests to participate in a Series Program. Such requests shall state the amount of the HomeBuilder's requested Reservation. HomeBuilders wishing to participate in such Series Program shall execute and return to the Authority the HomeBuilder Participation Agreement. The HomeBuilder Participation Agreement shall contain among other things, the following: