I have now spoken to an attorney in this area that specializes in landlord-tenant law. From what he said, I have to assume that Washington does not have that "separate process".
My neighbor asked my to let her stay in my house for a while. (I am living in it myself, but have an extra bedroom.) However, she has become very difficult to live with because she acts too often like she owns the place. She has never paid any rent or contributed to utility payments (other...