Washington Revised Code Title 84. Property Taxes § 84.64.060. Payment by interested person before day of sale

(1) Any person owning a recorded interest in lands or lots upon which judgment is prayed, as provided in this chapter, may in person or by agent pay the taxes, interest and costs due thereon to the county treasurer of the county in which the same are situated, at any time before the day of the sale; and for the amount so paid he or she will have a lien on the property liable for taxes, interest, and costs for which judgment is prayed; and the person or authority who collects or receives the same must give a receipt for such payment, or issue to such person a certificate showing such payment. If paying by agent, the agent must provide notarized documentation of the agency relationship.

(2) Notwithstanding anything to the contrary in this section, a person need not pay the amount of any outstanding liens for amounts deferred under chapter 84.37 or 84.38 RCW, if such amounts have not become payable under RCW 84.37.080 or 84.38.130.