The DS-160, Online Nonimmigrant Visa Application form, is for temporary travel to the United States, and for K (fiancé(e)) visas. Please fill out the application with all personal data exactly as it appears in your passport.Application for visa must be submitted in person with no more than 180 days in advance to your trip and at least 15 days before. - The document must be written in the Czech language. These forms come from the US Citizenship and Immigration Services (USCIS) in the Department of Homeland Security.