171.3—Business address; hours.
The principal office of the Commission 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. until 4:45 p.m., eastern standard time or eastern daylight savings time, whichever is currently in effect in Washington, DC.