(1) Applicants for licensure as an on-site wastewater treatment system designer by comity must meet the following criteria:

(a) The applicant's qualifications meet the requirements of chapter 18.210.180 RCW and this chapter;

(b) The applicant is in good standing with the licensing agency in a state, territory, possession, or foreign country. Good standing shall be defined as a currently valid license in the jurisdiction of original registration or the jurisdiction of most recent practice, if different from the jurisdiction of original registration.

(2) This provision does not apply to those individuals who have obtained a license, certificate or other authorization from a local health jurisdiction.