Section 28.20.420 - Certificate furnished by nonresident as proof(a) A nonresident may give proof of financial responsibility by filing with the department a written certificate of an insurance carrier authorized to transact business in the state in which the vehicle described in the certificate is registered, or if the nonresident does not own a vehicle, then in the state in which the nonresident resides, if the certificate otherwise conforms with this chapter; the department shall accept it upon condition that the insurance carrier complies with (b) and (c) of this section.(b) The insurance carrier shall execute a power of attorney authorizing the department to accept service on its behalf of notice or process in an action arising out of a motor vehicle accident in this state.(c) The insurance carrier shall agree in writing that the policy shall conform with the laws of this state relating to the terms of motor vehicle liability policies issued in this state.