Washington Revised Code Title 63. Personal Property § 63.14.150. Retail installment contracts, retail charge agreements, and lender credit card agreements--Agreements by buyer not to assert claim or defense or to submit to suit in another county invalid

No provision of a retail installment contract, retail charge agreement, or lender credit card agreement is valid by which the buyer agrees not to assert against the seller or against an assignee a claim or defense arising out of the sale, or by which the buyer agrees to submit to suit in a county other than the county where the buyer signed the contract or where the buyer resides or has his or her principal place of business.