1 As UAE residence visas are only valid for 1 or 3 years at a time, many expats obviously end up with a UAE driving licence that still appears to be valid after cancelling their UAE residence visa. 2  Popular belief was that a UAE driving licence was only valid for non-nationals as long as the residence visa was valid. As UAE residence visas are only valid for 1 or 3 years at a time, many expats obviously end up with a UAE driving licence that still appears to be valid after cancelling their UAE residence visa. 2  Popular belief was that a UAE driving licence was only valid for non-nationals as long as the residence visa was valid.
Definition of Witness. What is a Witness. In legal matters, a witness is an individual who has knowledge relevant to the case, but may also be someone who claims to have, or who is thought by others to have, such knowledge.
Witness for the Prosecution. A witness for the prosecution is used in state or federal criminal court cases. These witnesses are called to provide testimony in support of the prosecutionâs case against the accused. Law enforcement officers and various experts are often called to serve as witness for the prosecution.