The element <reqSpares> must contain information to list any spares required to accomplish the procedure contained in the data module. Parts which are attached to the product and are used during the accomplishment of the procedure can also be listed here. Spares must be identified by a name of the spare, identification and a quantity as applicable. As an identification number, the CSN/ISN identifier is recommended in order to provide a direct link to the IPD at the relevant location.