Back Will SIT help me with my visa? International FAQs, Student Visas Yes – if you are onsite and renewing your visa, you can book an appointment and we can help you in person. If you are not yet in Invercargill please see our visa guide. If you still have queries you can email us. Previous Question Why do I have to complete a literacy and numeracy course assessment? Next Question When do I need to contact my Facilitator?