RCW 46.17.005
RCW 46.17.005: Filing fees.
(1) A person who applies for a vehicle registration or for any other right to operate a vehicle on the highways of this state shall pay a $6 filing fee in addition to any other fees and taxes required by law. (2) A person who applies for a certificate of title shall pay a $6.50 filing fee in addition to any other fees and taxes required by law. (3) The filing fees established in this section must be distributed under RCW 46.68.400 .