Section R. 460.10106 - MarketingRule 6.
(1) A utility, its affiliates, and other entities within the corporate structure offering unregulated value-added programs or services, shall not engage in joint advertising, marketing, or other promotional activities related to the provision of both regulated and unregulated services, nor shall they jointly sell regulated services and unregulated value-added programs and services.(2) A utility or affiliate alternative electric supplier shall not provide or offer to provide any customer with preferential treatment or service for doing business with the utility, its affiliates, or other entities within the corporate structure offering unregulated value-added programs or services, nor shall the utility or affiliate alternative electric supplier provide any customer with inferior treatment or service for doing business with an unaffiliated supplier of a similar service.(3) A utility shall not condition or otherwise tie the provision of a utility service or the availability of discounts, rates, other charges, fees, rebates, or waivers of terms and conditions to the taking of any goods or services from the utility, its affiliates, or other entities within the corporate structure offering unregulated value-added programs or services.Mich. Admin. Code R. 460.10106