No subscriber to a cable television service shall be subject to an assessment of a late fee on a monthly billing unless the payment is at least forty-five (45) days past the close of the billing period that is the subject of the statement. A cable television operator shall not impose a late fee unless the bill contains a clear and conspicuous notice of when the late fee is to be imposed consistent with this section.
R.I. Gen. Laws § 39-19-13