The nonresident owner of a motor vehicle not registered in this State may give proof of financial responsibility by filing with the Department of Motor Vehicles written certificates of an insurance carrier authorized to transact business in the state in which the motor vehicle or motor vehicles described in the certificate is registered or, if the nonresident does not own a motor vehicle, then in the state in which the insured resides, provided the certificate otherwise conforms with the provisions of this chapter, and the Department shall accept it upon condition that the insurance carrier complies with the following provisions with respect to the policies certified:
If any insurance carrier not authorized to transact business in this State, which has qualified to furnish proof of financial responsibility, defaults in any of these undertakings or agreements, the Department shall not thereafter accept as proof any certificate of that carrier whether formerly filed or thereafter tendered as proof, so long as the default continues.
S.C. Code § 56-9-560