Service of process on the attorney, as defined in § 38-45-20, for subscribers, as defined in § 38-45-10, to reciprocal or interinsurance contracts shall be made by serving three copies thereof upon the Director of the Department of Insurance as the agent of such attorney pursuant to the provisions of § 38-45-60. The director shall file one copy, forward one copy to the attorney and return one copy with his acceptance of service.