O-1临时工作者签证,是签发给在科学、教育、商业、艺术、体育领域具有杰出才能者及在电影电视业中成绩卓著的个人。其聘用部门必须提供有关文件以证明被聘者的个人能力一直得到所在国或国际上的赞誉。申请人是否有资格获取该签证,由美国公民与移民服务局最终评审决定。O-1签证最初有效期可长达三年。如从事相同工作,还有可能延长一年。 The O-1 Temporary Worker Visa is issued to individuals who have outstanding talents in science, education, business, arts, and sports, and who have made outstanding achievements in the film and television industry. Its hiring department must provide relevant documents to prove that the individual ability of the employed person has always been praised by the host country or internationally. Whether the applicant is eligible for the visa is determined by the final review of the US Citizenship and Immigration Service. The O-1 visa is initially valid for up to three years. If you are engaged in the same work, it may be extended by one year.