Washington Revised Code Title 26. Domestic Relations § 26.60.100. Application for marriage--Dissolution of partnership by marriage--Automatic merger of partnership into marriage--Legal date of marriage

(3)(a) Except as provided in (b) of this subsection, any state registered domestic partnership in which the parties are the same sex, and neither party is sixty-two years of age or older, that has not been dissolved or converted into a marriage by the parties by June 30, 2014, is automatically merged into a marriage and is deemed a marriage as of June 30, 2014.

(b) If the parties to a state registered domestic partnership have proceedings for dissolution, annulment, or legal separation pending as of June 30, 2014, the parties' state registered domestic partnership is not automatically merged into a marriage and the dissolution, annulment, or legal separation of the state registered domestic partnership is governed by the provisions of the statutes applicable to state registered domestic partnerships in effect before June 30, 2014.  If such proceedings are finalized without dissolution, annulment, or legal separation, the state registered domestic partnership is automatically merged into a marriage and is deemed a marriage as of June 30, 2014.