Foreign corporations are required to have a registered office in Minnesota. For foreign corporations required to file in Minnesota.A PDF for the certificate of authority to transact business in MN is available to download and fill out through the Minnesota Secretary of State. As part of the foreign qualification process, a name availability search should be conducted in the state of qualification. Establishing an LLC in Minnesota involves appointing a registered agent, choosing a name, and completing the Articles of Organization. See What is backup withholding, later.