RELEASE OF COLORADO RIVER WATER 13 Engineer may request, and also of those basic operating criteria that affect the schedule of operation. (i) The flood-control regulations of this section are subject to temporary modification by the District Engineer, Corps of Engineers, if found necessary in time of emergency. Requests for and action on such modifications may be made by any available means of communication, and the action taken by the District Engineer shall be confirmed in writing under date of same day to the office of the Regional Director of the Bureau of Reclamation in charge of the operations. Releases made in accordance with the regulations in this section shall not be required at rates or in a manner that would be inconsiste...