Wash. Rev. Code § 23.95.545
(1) If a registered foreign entity merges into a nonregistered foreign entity or converts to a foreign entity required to register with the secretary of state to do business in this state, the foreign entity shall deliver to the secretary of state for filing an application for transfer of registration. The application must be executed by the surviving or converted entity and state:
(e) The following information regarding the applicant entity, if different than the information for the foreign entity before the merger or conversion:
[ 2015 c 176 s 1510.]
Effective date—Contingent effective date—2015 c 176: See note following RCW 23.95.100.