Ill. Admin. Code tit. 35, § 360.405
a) The grantee must notify the Agency of the completion of Step 3 project construction. The Agency shall cause final inspection to be made within 60 days of the receipt of the notice provided that the grantee has fully complied with the following general conditions hereof;
General Condition Section 360.402 (Project changes)
General Condition Section 360.406 (Operation & maintenance)
General Condition Section 360.601 (Sewer use ordinance)
General Condition Section 360.602 (User charges).