本推荐规程描述了VIN系统的一般特征。它包括特定要求、支持定义、基本内容和示例。VIN应在世界制造商标识符的背景下考虑，以建立唯一的机动车标识。本SAE推荐实施规程为分配给每种机动车类型的车辆识别号的统一内容和结构提供了指导。

This recommended practice describes general characteristics of VIN systems. It includes certain specific requirements, supporting definitions, basic content, and examples.The VIN should be considered in the context of a world manufacturer identifier to establish a unique motor vehicle identity.This SAE recommended Practice provides direction for uniform content and structure of vehicle identification numbers assigned to each type of motor vehicle.