a number associated with one given piece of equipment, or furniture item. This number uniquely identifies the individual equipment item or group of furniture items. The inventory number is usually affixed to items of equipment and furniture.
The supporting documents ... shall comprise:
- the purchase invoice or certified copies thereof; such invoices may not be dated earlier than 1 January 1991,
- the identity of the service responsible for the purchase and inventory numbers of the equipment,
- confirmation that the transmission connections are operational.
