Sec. 405 states, "The commission shall consult with and consider the recommendations of the committee in the promulgation of rules under section 413 to require each service user with a multiline telephone system to install no later than December 31, 2011 the necessary equipment and software to provide specific location information of a 9-1-1 call.  This section applies to multiline telephone systems regardless of the system technology.

Sec. 413(1) The commission may promulgate rules to establish 1 or more of the following:

1. Uniform procedures, policies, and protocols governing 9-1-1 services in counties and PSAPs in this state.

2. Standards for the training of PSAP personnel.

3. Uniform procedures, policies, and standards for the receipt and expenditure of 9-1-1 funds under section 401a, 401b, 401c, 401d, 401e, 406, and 408.

4. The requirements for multiline telephone systems under section 405.

The Emergency 9-1-1 Service Enabling Act can be found here: http://www.legislature.mi.gov/documents/mcl/pdf/mcl-act-32-of-1986.pdf  

The history of the rulemaking documents by the Department of Licensing and Regulatory Affairs (LARA) is found here:  http://www.state.mi.us/orr/emi/arcrules.asp?type=Numeric&id=2010&subId=2010%2D040+LR&subCat=History

On February 25, 2011, the Commission issued an order to take comments on the draft rules, as approved by the State Office of Administrative Hearings and Rules (SOAHR), and to set the date of April 19, 2011 for public comment.  Link to the order:  http://efile.mpsc.state.mi.us/efile/docs/16439/0001.pdf

On October 20, 2011, the rules had completed the formal process and an order was issued by the Commission.  The docket including Commission orders and public comment can be found here: http://efile.mpsc.state.mi.us/efile/viewcase.php?casenum=16439

The final rules can be found here: http://www.state.mi.us/orr/emi/admincode.asp?AdminCode=Single&Admin_Num=48400901&Dpt=LG&RngHigh=