10.4—Business address; hours.
The Office of Proceedings is located at Three Lafayette Centre, 1155 21st Street NW., Washington, DC 20581. It is open each day, except Saturdays, Sundays and legal public holidays from 8:15 a.m. to 4:45 p.m., eastern standard time or eastern daylight savings time, whichever is currently in effect in Washington, DC. If Commission personnel are present in the offices after 4:45 p.m., they may, at their discretion, accept documents for filing and serve the public in other matters within the scope of this part. Legal holidays include New Year's Day, Washington's Birthday, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving Day, Christmas Day, and any other legal holidays recognized by the Federal Government.