Mich. Comp. Laws § 484.164

Sec. 14. It shall be the duty of the owner or association owning any telegraph line, doing business within this state, to receive dispatches from and for other telegraph lines and associations, and from and for any individual, and on payment of their usual charges for individuals for transmitting dispatches, as established by the rules and regulations of such telegraph line, to transmit the same with impartiality and good faith, under the penalty of 100 dollars for every neglect or refusal so to do, to be recovered, with costs of suit, in the name and for the benefit of the person or persons sending or desiring to send such dispatch.