Washington Revised Code Title 64. Real Property and Conveyances § 64.20.030. Sale of land or materials authorized

Any Indian who owns within this state any land or real estate allotted to him or her by the government of the United States may with the consent of congress, either special or general, sell and convey by deed made, executed, and acknowledged before any officer authorized to take acknowledgments to deeds within this state, any stone, mineral, petroleum, or timber contained on said land or the fee thereof and such conveyance shall have the same effect as a deed of any other person or persons within this state; it being the intention of this section to remove from Indians residing in this state all existing disabilities relating to alienation of their real estate.