RCW 84.08.220: Electronic communication of confidential property tax information.

(1) The department may provide electronically any assessment, notice, or other information that is subject to the confidentiality provisions of RCW 84.08.210 or 84.40.340, to any person authorized to receive the information.

(2) The department must use methods reasonably designed to protect information provided electronically as authorized in subsection (1) of this section from unauthorized disclosure. However, the provisions of this subsection (2) may be waived by a taxpayer. The waiver must be in writing and may be provided to the department electronically. A waiver continues until revoked in writing by the taxpayer. Such revocation may be provided to the department electronically in a manner provided or approved by the department.