Wash. Rev. Code § 70.15.070
(5) A volunteer health practitioner does not engage in unauthorized practice unless the practitioner has reason to know of any limitation, modification, or restriction under this section or that a similarly licensed practitioner in this state would not be permitted to provide the services. A volunteer health practitioner has reason to know of a limitation, modification, or restriction or that a similarly licensed practitioner in this state would not be permitted to provide a service if:
(6) In addition to the authority granted by law of this state other than this chapter to regulate the conduct of health practitioners, a licensing board or other disciplinary authority in this state:
[ 2018 c 184 s 8.]