65- 407 C.M.R. ch. 322, § 2
Unless otherwise stated, provisions in this Chapter that are applicable to competitive electricity providers do not apply to aggregators, brokers, and standard offer providers.
When specifically provided in this Chapter, a transmission and distribution utility and a competitive electricity provider may agree in a written contract to provisions different from those stated in this Chapter. The contract shall include all agreed to revisions to the provisions in this Chapter, including time frames for implementation. The contract shall not remove any consumer protections contained in the Commission's rules. The transmission and distribution utility may charge its reasonable costs of implementing the revised terms and shall state all such charges in the contract. Upon request by a competitive electricity provider for revised provisions, the transmission and distribution utility shall state the price and time frame for completion within 15 business days of the request.
65- 407 C.M.R. ch. 322, § 2