Washington Revised Code Title 18. Businesses and Professions § 18.51.240. Alterations or additions--Preliminary inspection and approval

The department may prescribe by regulations that any licensee or applicant desiring to make specific types of alterations or additions to its facilities or to construct new facilities shall, before commencing such alteration, addition or new construction, submit its plans and specifications therefor to the department for preliminary inspection and approval or recommendations with respect to compliance with the regulations and standards herein authorized.