Section R. 484.109 - Mandatory contractual provisions; informationRule 9.
(1) A contract between an operator service provider and a customer to whom the operator service provider has agreed to provide operator service shall require that the customer display a sticker, card, or other form of information furnished by the operator service provider, or prepared by the customer and containing the same information, on or near each of the customer's telephones that access the operator service.(2) The sticker, card, or other form of information required under subrule (1) of this rule shall include all of the following information:(a) The name of the operator service provider.(b) A toll-free customer service telephone number.(c) A statement that charges imposed by the operator service provider on end users are available by calling the operator toll-free using the instructions posted on the telephone, or by calling the toll-free telephone number.(d) A statement that a caller can reach emergency services without charge by dialing 9-1-1, if available, or by calling the operator.Mich. Admin. Code R. 484.109