Mass. Gen. Laws ch. 93, § 109
(b)
(c)
(2) A person during the third party verification call shall inform the customer called that the sole purpose of the call is to verify that the customer authorized a change in the primary IXC or LEC service for the particular line identified and that to qualify for verification the customer must be recorded. If the customer agrees to the recording of the call, the balance of the call shall be recorded, and the following shall be confirmed: