Washington Revised Code Title 11. Probate and Trust Law § 11.86.031. Contents of disclaimer--Time and filing requirements--Fee

(1) The disclaimer must:

(2) The disclaimer must be delivered or mailed as provided in subsection (3) of this section at any time after the creation of the interest, but in all events by nine months after the latest of:

(3) The disclaimer shall be mailed by first-class mail, or otherwise delivered, to the creator of the interest, the creator's legal representative, or the holder of the legal title to the property to which the interest relates or, if the creator is dead and there is no legal representative or holder of legal title, to the person having possession of the property.

(4) If the date of the transfer is the date of the death of the creator of the interest, a copy of the disclaimer may be filed with the clerk of the probate court in which the estate of the creator is, or has been, administered, or, if no probate administration has been commenced, then with the clerk of the court of any county provided by law as the place for probate administration of such person, where it shall be indexed under the name of the decedent in the probate index upon the payment of a fee established under *RCW 36.18.016.

(5) The disclaimer of an interest in real property may be recorded, but shall constitute notice to all persons only from and after the date of recording. If recorded, a copy of the disclaimer shall be recorded in the office of the auditor in the county or counties where the real property is situated.