Wash. Admin. Code § 308-56A-056
(1) Does the department use the words "and," "or," or the slash symbol "/" when recording multiple interests on a certificate of ownership? No, the department has not used these designations since 1974 when recording ownership interest. For certificates of ownership that have been issued using one of these designations:
[Statutory Authority: RCW 46.01.110. WSR 03-05-081, § 308-56A-056, filed 2/19/03, effective 3/22/03. Statutory Authority: RCW 46.01.110, 46.12.040 and 46.16.216. WSR 99-21-098, § 308-56A-056, filed 10/20/99, effective 11/20/99.]