Wash. Rev. Code § 46.95.040
(1) If a dealer desires to make a change in ownership by the sale of the business assets, stock transfer, or otherwise, the dealer shall give the manufacturer or distributor written notice at least 10 business days before the closing, including all supporting documentation as may be reasonably required by the manufacturer or distributor to determine if an objection to the sale may be made. In the absence of a breach by the selling dealer of its dealer agreement or this chapter, the manufacturer or distributor shall not object to the proposed change in ownership unless the prospective transferee:
(3)
(a) It is unlawful for a manufacturer or distributor to fail to provide a dealer an opportunity to designate, in writing, a family member as a successor to the dealership in the event of the death, incapacity, or retirement of the dealer. It is unlawful to prevent or refuse to honor the succession to a dealership by a family member of the deceased, incapacitated, or retired dealer unless the manufacturer or distributor has provided to the dealer written notice of its objections within 10 business days after receipt of the dealer's modification of the dealer's succession plan. In the absence of a breach of the dealer agreement, the manufacturer may object to the succession for the following reasons only:
[ 2024 c 87 s 4.]