The action of the public records officer allowing inspection of records, providing a copy or denying the request shall be taken within 7 working days after receipt of a written request, unless the time for such action is extended. The time for allowing inspection, providing a copy or denying the request may be extended by the public records officer for not more than 7 working days for any of the reasons specified in Section 3 of the Freedom of Information Act.
Ill. Admin. Code tit. 2, § 5151.90