20.100—Rule 100. Name, business hours, and mailing address of the Board.
(b) Business hours.
The Board is open during business hours on all days except Saturday, Sunday and legal holidays. Business hours are from 8 a.m. to 4:30 p.m.
(c) Mailing address.
Except as otherwise noted in these Rules, mail to the Board must be addressed to: Chairman (01), Board of Veterans' Appeals, 810 Vermont Avenue NW., Washington, DC 20420.