貌似多米尼加还真的有美签有效期3个月的规定啊。楼主如果在美国就问问他们驻美使馆,在国内问问他们驻中国经商处:Representative of the commercial development office of the dominican republic in beijingtel:010-85322423,85323837fax:010-853235445-1-52 tayuan diplomatic compound 1,XingdongLu Dongzhimen Wai Beijing,100600,P.R.C.多米尼加驻北京贸易发展办事处北京朝阳区东直门外新东路1号,塔园外交公寓5-1-52,吴玫瑰老师电话:010-85322423,85323837传真:010-85323544