Washington Revised Code Title 11. Probate and Trust Law § 11.110.040. Information, documents, and reports are public records--Inspection--Publication

All information, documents, and reports filed with the secretary of state under this chapter are matters of public record and shall be open to public inspection, subject to reasonable regulation: PROVIDED, That the secretary of state shall withhold from public inspection any trust instrument so filed whose content is not exclusively for charitable purposes. The secretary of state may publish, on a periodic or other basis, such information as may be necessary or appropriate in the public interest concerning the registration, reports, and information filed with the secretary of state or any other matters relevant to the administration and enforcement of this chapter.