205 ILCS 305/64

A credit union chartered under the laws of this State may be converted to a credit union chartered under the laws of any other state or under the laws of the United States. A credit union chartered under the laws of the United States or of any other state may convert to a credit union chartered under the laws of this State. To effect such a conversion, a credit union must comply with all the requirements of the jurisdiction under which it is currently chartered and such rules and regulations as may be promulgated by the Secretary and file proof of such compliance with the Department.