44 Ill. Adm. Code 500.1540
Records and Audits
Section 500
Section 500.1540 Records and
Audits
a) Retention of Books and Records
1) Books and records that relate to performance of a State
contract, including subcontracts, and that support amounts charged to the
State, shall be maintained:
A) by a contractor, for a period of three years from the later of
the date of final payment under the prime contract or completion of the
contract;
B) by a subcontractor, for a period of three years from the later
of the date of final payment under the subcontract or completion of the
subcontract; and
C) by a contractor and subcontractor for such longer period of
time as is necessary to complete ongoing or announced audits. The three year
period shall be extended for the duration of any audit in progress at the time
of that period's expiration.
2) Failure to maintain the books and records required by this
Section shall establish a presumption in favor of the State for the recovery of
any funds paid by the State for which required books and records are not
available.
b) Contract Audit
1) Types of Contracts Audited. The type of contract under which
books and records should be audited is that in which price is based on costs or
is subject to adjustment based on costs, or that in which auditing would be
appropriate to assure satisfactory performance, such as a time and material
contract.
2) Situations in which an audit may be warranted include but are
not limited to when a question arises in connection with:
A) the financial condition, integrity, and reliability of the contractor
or subcontractor;
B) any prior audit experience;
C) the adequacy of the contractor's or subcontractor's accounting
system;
D) the number or nature of invoices or reimbursement vouchers
submitted by the contractor or subcontractor for payment;
E) the use of federal assistance funds;
F) the fluctuation of market prices affecting the contract; or
G) any other situation when the Procurement Officer finds that
such an audit is necessary for the protection of the State's best interest.