Wash. Rev. Code § 19.375.020
(3) Unless consent has been obtained from the individual, a person who has enrolled an individual's biometric identifier may not sell, lease, or otherwise disclose the biometric identifier to another person for a commercial purpose unless the disclosure:
(4) A person who knowingly possesses a biometric identifier of an individual that has been enrolled for a commercial purpose:
(b) May retain the biometric identifier no longer than is reasonably necessary to:
[ 2017 c 299 s 2.]