The historic preservation division of the office of cultural affairs shall periodically furnish copies of the official register, or relevant sections of the official register, to state agencies and departments and shall periodically advise state agencies and departments of the status of the division’s program of cultural property identification and registration. The head of any state agency or department having direct or indirect jurisdiction over any land or structure modification which may affect a registered cultural property shall afford the state historic preservation officer a reasonable and timely opportunity to participate in planning such undertaking so as to preserve and protect, and to avoid or minimize adverse effects on, registered cultural properties.