Washington Revised Code Title 46. Motor Vehicles § 46.16A.140. “Resident” defined--Natural person residency requirements--Vehicle registration required

(1) For the purposes of vehicle registration, a resident is a person who manifests an intent to live or be located in this state on more than a temporary or transient basis. Evidence of residency includes, but is not limited to:

(2) A natural person may be a resident of this state even though that person has or claims residency or domicile in another state or intends to leave this state at some future time. A natural person is presumed a resident if the natural person meets at least two of the following conditions:

(3) “Washington public assistance programs,” as referred to in subsection (1)(b) of this section, includes only public assistance programs for which more than fifty percent of the combined costs of benefits and administration are paid from state funds. “Washington public assistance programs” does not include: The food stamp program under the federal food stamp act of 1964; programs under the child nutrition act of 1966, 42 U.S.C. Secs. 1771 through 1788; and temporary assistance for needy families.

(4) A resident of the state shall apply for a certificate of title under chapter 46.12 RCW and register under this chapter a vehicle to be operated on the highways of the state. New Washington residents are allowed thirty days from the date they become residents as defined in this section to obtain Washington registration for their vehicles. This thirty-day period may not be combined with any other period of reciprocity provided for in this chapter or chapter 46.85 RCW.