New law raises plate fees starting July 1, 2022
State laws recognize that certain areas of expertise are common to professionals other than on-site designers and inspectors. They provide the following exemptions in RCW 18.210.150: Persons exempt from licensure:
A licensed professional engineer isn't required to be licensed in as an on-site wastewater design professional if he or she performs the design work in accordance with Title 196 WAC.
An employee or a subordinate of a licensed professional engineer or on-site wastewater design professional isn't required to be licensed as an on-site wastewater design professional if the work is: