Visas can't be changed or extended. You desire a private visa for it. If you would like a multiple entry visa, you will nonetheless should apply at an embassy. Incomplete visa applications aren't accepted. Russian Visa Guide will provide you with a complete variety of Uzbekistan Visas, whether you will need to submit an application for a Tourist Visa or Business Visa. If you would like to travel from Hong Kong to China mainland, you might need to make an application for a China visa.