GMW 3097 is a global standard of General Motors applying to components, and the letters of the prefix indicate that the document is maintained for the whole company rather than for one region or one brand, which is a consequence of the manufacturer's decision to consolidate its engineering standards so that the same requirement applies to a part wherever it is designed and built. For a supplier that means the requirement does not change with the assembly plant or the brand, and that a single qualification can support several programmes. The standard states the electromagnetic compatibility requirements to be met by a component at a given mounting position, covering both the disturbance it may emit and the disturbance it must tolerate, and it is used together with the manufacturer's test procedure documents, which define how each requirement is measured.