Sec. 1.253  Time and place of hearing.

    (a) The Commission will specify the day on which and the place at 
which any hearing is to commence.
    (b) The presiding officer will specify the days on which subsequent 
hearing sessions are to be held.
    (c) If the Commission specifies that a hearing is to commence in the 
District of Columbia, it shall be moved therefrom only by order of the 
Commission.
    (d) If the Commission specifies that a hearing is to commence at a 
field location, all appropriate proceedings will be completed at such 
location before the hearing is moved therefrom. When such proceedings 
are completed, the presiding officer may move the hearing from the field 
location specified to another appropriate field location or to the 
District of Columbia.