A visa is permission that is stamped in your passport. A visa allows you to enter and stay in Dubai under a specific set of rules and regulations for a Limited number of days. There are a lot of different kinds of visas that are issued by the government of UAE, Dubai Transit Visa lets applicants stay in Dubai for a minimum of eight hours and a maximum of 96 hours while they wait for their onward travel. In this case, the airline needs to act as a sponsor for the applicant.