WAC 212-90-038
WAC 212-90-038. Municipality, county, or state regulations
(1) Licensed contractors and certificate holders must comply with the authority having jurisdiction's requirements to obtain permits or permission before the installation, repair, alteration, or addition of a fire protection sprinkler system. Failure to comply with this section constitutes a Level 2 violation.
(2) The licensed contractor or certificate holder must verify whether a permit or permission is required from the authority having jurisdiction before installing, repairing, altering, adding, or removing any fire protection sprinkler system.