RCWs and WACs
A statute or Revised Code of Washington (RCW) is written by the Washington State Legislature. Once legislation is signed by the governor, it becomes law.
Other Relevant RCWs are:
A rule or Washington Administrative Code (WAC) is written to provide interpretive support for the individuals or entities to whom the rule applies. Department of Health rules are written and adopted by a board or commission, or the secretary of the Department of Health. Rules or WACs carry the full force of the law.