1) "Professional archaeologists or paleontologists may have access to site and location information for their respective fields as needed for their specific project by request to the Agency Archaeologist responsible for the Inventory."

For the purposes of this policy a professional archaeologist must meet the requirements of State certified supervisory professional prehistoric or historic field archaeologist as defined under Section 4190.404 and 405 of the rules for the Archaeological and Paleontological Resources Protection Act.

IIAPS data are available in read-only digital formats at the Illinois Historic Preservation Agency and the Illinois State Museum, and in a web-based format. Paper records are available by appointment at the Illinois State Museum Research and Collections Center.

With respect to the dissemination of archaeological site information, professional archaeologists may disseminate site information gathered under the auspice of historic preservation compliance to the organization underwriting the project if the information is limited to the area of potential effect.

Professional archaeologists may disseminate site information in the context of research and publication so long as doing so does not unnecessarily endanger the resource.

2) "Governmental bodies may have access to site information and location for sites within lands that they own or manage for the purposes of protecting, preserving and managing those archaeological and paleontological resources or as needed for specific planning or management needs by written request to the Agency Archaeologist responsible for the Inventory. These governmental bodies shall not release this information to any other person or organization without the authorization of the Agency."

3) "Release of general information (not including site location and ownership) to the public about archaeological or paleontological resource sites listed in the Illinois Inventory of Archaeological and Paleontological Sites shall generally be available, but the Agency shall not release such information when it is believed that such a release may endanger the resource."

4) "Site location information and site ownership (when it would help indicate site location) shall not be released. Information about the character of a site that would help indicate site location shall not be released."

5) "Release of information under this Section shall be subject to an applicable fee for duplication and processing.