The following links will take you to the available online filing, instructions, or paper form. Nonprofit Corporations must use the new Foreign Nonprofit Registration. Statement.As an out-of-state business, to operate in the state you must complete a Washington foreign entity registration with the Secretary of State's office. This process will help you to establish a corporation, LLC, or other business entities in a new state without the need for incorporation or re-registration. A Foreign Qualification in Washington state allows a company to do business from outside the state. Request your Washington Certificate of Authority today. To register a foreign non profit in Washington, you file the Foreign Nonprofit Corporation Certificate of Authority form with the Washington Secretary of State. Complete the foreign registration statement (Form RCW 23.95) online using Washington's Corporations and Charities Filing System.