No license to transact any kind of insurance business in this State shall be issued or renewed to any foreign or alien insurer or issued or continued in effect to any domestic insurer which is owned or financially controlled by another state of the United States other than this State, or by a foreign government, or by any political subdivision of either, or which is an agency or instrumentality of any such state, government, or subdivision, unless the insurer was so owned or controlled prior to January 1, 1957, and was authorized to do business in this State on or prior to that date.