Ill. Admin. Code tit. 35, § 371.180
a) The preliminary PO must substantially address the requirements of 35 Ill. Adm. Code 371: Subparts C and D. References to chapters of the O&M Manual, as required in 35 Ill. Adm. Code 371.162 through 371.167, are not required in the preliminary PO.
b) The final PO must show that substantial progress has been made to implement the preliminary PO and that the grantee can be expected to accomplish the remaining tasks on schedule. The final PO must include: