Ill. Admin. Code tit. 44, § 8.1005
h) CDB staff are responsible:
i) The CPO has the authority to approve or reject contracts for a State agency. In addition to this authority the CPO may direct an SPO to approve or reject contracts for CDB, authorize an SPO to further authorize CDB to enter into contracts, or authorize CDB to enter into contracts. The head of CDB has the authority to sign and enter into a contract once a SPO provides written approval of the contract. The CPO shall determine in writing which contracts, if any, must be signed by the CPO. The CPO shall determine in writing which contracts may be signed by an SPO or CDB. These signature authorities may be modified or revoked at any time by the CPO or SPO, when appropriate.
j) Procurement Compliance Monitors (PCMs)