http://www.usembassy-china.org.cn/us-citizen/mrginfo.html. a certification of marriageability which can be prepared at the Embassy on the basis of an affidavit in which the American citizen swears or affirms before a Consul that he or she is currently legally eligible to marry.
Vehicle registration certificate. A vehicle registration certificate is an official document providing proof of registration of a motor vehicle. It is used primarily by governments as a means of ensuring that all road vehicles are on the national vehicle register, but is also used as a form of law enforcement and to facilitate change of ownership when buying and selling a vehicle.
Vehicle registration's purpose is to establish clear ownership and to tax motorists or vehicle owners. While almost all vehicles are uniquely identified by a vehicle identification number only registered vehicles display a vehicle registration plate and carry a vehicle registration certificate.