Each beer importer shall keep the board informed at all times of the location of the principal office required by section 23-G, subdivision (2) of the Washington State Liquor Act (RCW 66.24.260 ) and shall, not less than two days prior thereto notify the board in writing of any change in the location of such office.
Wash. Admin. Code § 314-20-110
Rule 50, filed 6/13/63.