Each K visa applicant must fill out a Form DS-160, pay K visa fee, and prepare required supporting documents, including medical report before booking a K visa appointment. Once the K1 applicant is ready for an appointment, he/she must make an appointment through http://www.ustraveldocs.com/tw/, a website maintained by our authorized partner, CGI Stanley. For additional information regarding the online appointment, please contact the call center via email, mailto: support-taiwan@ustraveldocs.com.