If you are renewing your visa, you may qualify for an interview waiver if the following conditions are met. 1) You are applying for the same type of visa as the previous visa 2) You are applying at the same location as your previous visa 3) Your previous visa is still valid or expired in the last 1 year If you qualify for an interview waiver, you can use the dropbox facility to submit your documents at the visa application center. The procedure to renew a visa is the same as scheduling a new appointment. While scheduling your appointment, you will be asked questions about your previous visa. If you qualify for the interview waiver, the system will prompt you to use the dropbox submission. Instructions and required documentation are sent to your email.