Ill. Admin. Code tit. 83, § 1325.205
b) Initial or modified plans must include a completed application to the Administrator for the initial provision of, or modification to, 9-1-1 service. The application, which can be found on the Department's website, shall include the following documents:
10) Attachments (as applicable):
F) The Call Handling and Aid Outside Jurisdictional Boundaries Agreements
12) If incorporating an NG9-1-1 solution, the application must, in the narrative portion of the modification plan:
F) Explain: