Illinois Statutes Chapter 225. Professions,Occupations and Business Operations § 705/29.01. Adequate telephone and text messaging service

§ 29.01. In all mines adequate telephone service or equivalent 2-way communication facilities, including, but not limited to, 2-way text messages, shall be provided at the top and bottom of each main shaft or slope, and from the bottoms to the working sections of the mine. Text messaging communications systems used as communication facilities must be approved by the Department. If text messaging is used, pre-programmed text messages shall be capable of providing information to the surface necessary to determine the status of the miners and the conditions in the mine, as well as providing the necessary emergency response information to the miners.