Foreign Qualification or Foreign Qualification Certificate is a document that companies need to do business in a state other than the state in which they were established. The process for obtaining this document varies from state to state. The documents you will need to operate in a second state may also differ on a state-by-state basis. The state in which your company was established and therefore you are considered a native Additional paperwork may be required to operate your company in multiple states. When you do business in a second state, you must also have an agent registered there and plan the filing of annual reports and second state taxes.