RCW 66.28.090: Licensed premises or banquet permit premises open to inspection—Failure to allow, violation.

(1) All licensed premises used in the manufacture, storage, or sale of liquor, or any premises or parts of premises used or in any way connected, physically or otherwise, with the licensed business, and/or any premises where a banquet permit has been granted, shall at all times be open to inspection by any liquor enforcement officer, inspector or peace officer.

(2) Every person, being on any such premises and having charge thereof, who refuses or fails to admit a liquor enforcement officer, inspector or peace officer demanding to enter therein in pursuance of this section in the execution of his/her duty, or who obstructs or attempts to obstruct the entry of such liquor enforcement officer, inspector or officer of the peace, or who refuses to allow a liquor enforcement officer, and/or an inspector to examine the books of the licensee, or who refuses or neglects to make any return required by this title or the regulations, shall be guilty of a violation of this title.