Illinois Statutes Chapter 50. Local Government § 750/15.8a. Configuration of MLTS

(a) An entity engaged in the business of installing an MLTS may not install such a system unless it is configured so that it is capable of being programmed with and conveying the dispatchable location of the 9-1-1 caller consistent with the following:

(b) An entity engaged in the business of manufacturing, importing, selling, or leasing MLTS may not manufacture or import for use, or sell or lease or offer to sell or lease, an MLTS unless such system has the capability, after proper installation in accordance with subsections (b) and (c) of Section 15.6c and this Section, of providing the dispatchable location of the 9-1-1 caller.

(c) Alternative location information may be coordinate-based, and it must be sufficient to identify the caller's civic address and approximate in-building location, including floor level, in large buildings.

(d) A person engaged in the business of managing or operating an MLTS may not manage or operate such a system unless it is configured such that the dispatchable location of the 9-1-1 caller is consistent with paragraphs (1), (2), and (3) of subsection (a).