RCW 42.45.090: Notarial act in another state—Effect in this state.

(1) A notarial act performed in another state has the same effect under the law of this state as if performed by a notarial officer of this state, if the act performed in that state is performed by:

(a) A notary public of that state;

(b) A judge, clerk, or deputy clerk of a court of that state; or

(c) Any other individual authorized by the law of that state to perform the notarial act.

(2) The signature and title of an individual performing a notarial act in another state are prima facie evidence that the signature is genuine and that the individual holds the designated title.

(3) The signature and title of a notarial officer described in subsection (1)(a) through (c) of this section conclusively establishes the authority of the officer to perform the notarial act.