Wash. Admin. Code § 308-96A-300
When will the assigned registration year of a vehicle be changed?
(4) When you took ownership of a vehicle that is being transferred, unless it met one of the exemptions in RCW 46.16A.200, or the vehicle is registered as a title purpose only or has one of the following nonstandard plates on it at the time of transfer:
[Statutory Authority: RCW 46.01.110, 46.16A.220. WSR 15-10-005, § 308-96A-300, filed 4/22/15, effective 5/23/15. Statutory Authority: RCW 46.01.110. WSR 09-20-078, § 308-96A-300, filed 10/6/09, effective 11/6/09. Statutory Authority: RCW 46.01.110, 46.16.135, 46.46.16.225 [46.16.225], 46.16.490, and 46.16.276. WSR 01-17-017, § 308-96A-300, filed 8/3/01, effective 9/3/01; WSR 98-19-075, § 308-96A-300, filed 9/21/98, effective 10/22/98. Statutory Authority: RCW 43.17.060, 46.01.060, 46.16.070 and 46.16.135. WSR 92-02-100, § 308-96A-300, filed 1/2/92, effective 2/2/92. Statutory Authority: RCW 46.16.600, 46.16.276 and 46.01.110. WSR 87-12-023 (Order TL/RG-34), § 308-96A-300, filed 5/28/87. Statutory Authority: RCW 46.16.135, 46.16.225, 46.16.490 and 46.01.110. WSR 86-10-040 (Order TL/RG 24), § 308-96A-300, filed 5/5/86; Order MV-355, § 308-96A-300, filed 5/10/76.]