Retrospective application of this Standard on new or facelift vehicles or components on which the PDS or design was defined prior to the above date shall be at the discretion of the Design Engineer.

• 追溯适用这一标准的新服务或整容的车辆或部件，即综合布线系统或设计被界定之前，上述日期，应在谨慎的设计工程师。