(1) The nonresident owner of a motor vehicle, the owner or operator of which is not licensed in this state, may give proof of financial responsibility by filing with the department a written certificate or certificates of an insurance company authorized to transact business in the state in which the motor vehicle or motor vehicles described in such certificate or certificates are registered, or if such nonresident does not own a motor vehicle, then in the state in which the insured resides, provided such certificate otherwise conforms to the provisions of this chapter. The department shall accept the same upon condition that said insurance company complies with the following provisions with respect to the policies so certified:

(a) Said insurance company shall execute a power of attorney authorizing the department to accept service on its behalf of notice or process in any action arising out of a motor vehicle accident in this state;

(b) Said insurance company shall agree in writing that such policies shall be deemed to conform with the laws of this state relating to the terms of motor vehicle liability policies issued herein.

(2) If any insurance company not authorized to transact business in this state, which has qualified to furnish proof of financial responsibility, defaults in any said undertakings or agreements, the department shall not thereafter accept as proof any certificate of said company whether theretofore filed or thereafter tendered as proof, so long as such default continues.