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20 ILCS 3420/4

    (20 ILCS 3420/4) (from Ch. 127, par. 133c24)
    Sec. 4. State agency undertakings.
    (a) As early in the planning process as may be practicable and prior to the approval of the final design or plan of any undertaking by a State agency, or prior to the funding of any undertaking by a State agency, or prior to an action of approval or entitlement of any private undertaking by a State agency, written notice of the project shall be given to the Director either by the State agency or the recipients of its funds, permits or licenses. The State agency shall consult with the Director to determine the documentation requirements necessary for identification and treatment of historic resources. For the purposes of identification and evaluation of historic resources, the Director may require archaeological and historic investigations. Responsibility for notice and documentation may be delegated by the State agency to a local or private designee.
    (b) Within 30 days after receipt of complete and correct documentation of a proposed undertaking, the Director shall review and comment to the agency on the likelihood that the undertaking will have an adverse effect on a historic resource. In the case of a private undertaking, the Director shall, not later than 30 days following the receipt of an application with complete documentation of the undertaking, either approve that application allowing the undertaking to proceed or tender to the applicant a written statement setting forth the reasons for the requirement of an archaeological investigation. If there is no action within 30 days after the filing of the application with the complete documentation of the undertaking, the applicant may deem the application approved and may proceed with the undertaking. Thereafter, all requirements for archaeological investigations are waived under this Act.
    (c) If the Director finds that an undertaking will adversely affect an historic resource or is inconsistent with agency policies, the State agency shall consult with the Director and shall discuss alternatives to the proposed undertaking which could eliminate, minimize, or mitigate its adverse effect. During the consultation process, the State agency shall explore all feasible and prudent plans which eliminate, minimize, or mitigate adverse effects on historic resources. Grantees, permittees, licensees, or other parties in interest and representatives of national, State, and local units of government and public and private organizations may participate in the consultation process. The process may involve on-site inspections and public informational meetings pursuant to regulations issued by the Department of Natural Resources.
    (d) The State agency and the Director may agree that there is a feasible and prudent alternative which eliminates, minimizes, or mitigates the adverse effect of the undertaking. Upon such agreement, or if the State agency and the Director agree that there are no feasible and prudent alternatives which eliminate, minimize, or mitigate the adverse effect, the Director shall prepare a Memorandum of Agreement describing the alternatives or stating the finding. The State agency may proceed with the undertaking once a Memorandum of Agreement has been signed by both the State agency and the Director.
    (e) After the consultation process, the Director and the State agency may fail to agree on the existence of a feasible and prudent alternative which would eliminate, minimize, or mitigate the adverse effect of the undertaking on the historic resource. If no agreement is reached, the agency shall call a public meeting in the county where the undertaking is proposed within 60 days. If, within 14 days following conclusion of the public meeting, the State agency and the Director fail to agree on a feasible and prudent alternative, the proposed undertaking, with supporting documentation, shall be submitted to the Historic Preservation Mediation Committee. The document shall be sufficient to identify each alternative considered by the Agency and the Director during the consultation process and the reason for its rejection.
    (f) The Mediation Committee shall consist of the Director and 5 persons appointed by the Director for terms of 3 years each, each of whom shall be no lower in rank than a division chief and each of whom shall represent a different State agency. An agency that is a party to mediation shall be notified of all hearings and deliberations and shall have the right to participate in deliberations as a non-voting member of the Committee. Within 30 days after submission of the proposed undertaking, the Committee shall meet with the Director and the submitting agency to review each alternative considered by the State agency and the Director and to evaluate the existence of a feasible and prudent alternative. In the event that the Director and the submitting agency continue to disagree, the Committee shall provide a statement of findings or comments setting forth an alternative to the proposed undertaking or stating the finding that there is no feasible or prudent alternative. The State agency shall consider the written comments of the Committee and shall respond in writing to the Committee before proceeding with the undertaking.
    (g) When an undertaking is being reviewed pursuant to Section 106 of the National Historic Preservation Act of 1966, the procedures of this law shall not apply and any review or comment by the Director on such undertaking shall be within the framework or procedures of the federal law. This subsection shall not prevent the Department of Natural Resources from entering into an agreement with the Advisory Council on Historic Preservation pursuant to Section 106 of the National Historic Preservation Act to substitute this Act and its procedures for procedures set forth in Council regulations found in 36 C.F.R. Part 800.7. A State undertaking that is necessary to prevent an immediate and imminent threat to life or property shall be exempt from the requirements of this Act. Where possible, the Director shall be consulted in the determination of the exemption. In all cases, the agency shall provide the Director with a statement of the reasons for the exemption and shall have an opportunity to comment on the exemption. The statement and the comments of the Director shall be included in the annual report of the Department of Natural Resources as a guide to future actions. The provisions of this Act do not apply to undertakings pursuant to the Illinois Oil and Gas Act, the Surface-Mined Land Conservation and Reclamation Act and the Surface Coal Mining Land Conservation and Reclamation Act.
(Source: P.A. 100-695, eff. 8-3-18.)