• With a 1-year US visa, the US government allows applicants to apply for a maximum of 4 extensions, ie a successful interview, you have the opportunity to apply for a US visa for 4 years continuously.
• You should pay attention to the duration of the visa so that you can apply for an extension in time – any person who overstays even one day will be subject to fines, even at risk. US visa re-issuance.