New England Telephone & Telegraph Co. v. State

In 1951 the Legislature provided that the Public Utilities Commission may suspend higher rates filed by a public utility, for a period not exceeding a year pending investigation by the commission, but that the proposed rates may nevertheless be placed in effect by the utility if their reasonableness has not been determined at the expiration of six months from the filing, provided the utility furnishes a bond “to secure the repayment to the customers ... of the difference, if any, between the amounts collected under said schedule of rates and the schedule of rates determined by the commission…