License required.

RCW 70.42.020
in effect
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After July 1, 1990, no person may advertise, operate, manage, own, conduct, open, or maintain a test site without first obtaining a license for the tests to be performed, except as provided in RCW 70.42.030 . After July 1, 1990, no person may advertise, operate, manage, own, conduct, open, or maintain a test site without first obtaining a license for the tests to be performed, except as provided in RCW 70.42.030 .
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=70.42&full=trueFetched: 6/29/2026

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