Washington Revised Code Title 63. Personal Property § 63.26.010. Definitions

(1) “Museum or historical society” means an institution operated by a nonprofit corporation, nonprofit association, or public agency, primarily educational, scientific, historic, or aesthetic in purpose, which owns, borrows, studies, or cares for tangible objects, including archives, and exhibits them as appropriate.

(2) “Property” includes all documents and tangible objects, animate and inanimate, under the care of a museum or historical society which have intrinsic scientific, historic, artistic, or cultural value.