RFID Birth Certificate UID

RFID Birth Certificate UID: What is the difference between RFID and UII?

... "UII is a piece of data associated with an item that uniquely identifies it through out its life. RFID is a vehicle for holding and sharing data. IUID of tangible items deals with physical marking as prescribed in the policy and are applied directly on items or on labels themselves. IUID also requires data to be captured about the item and submitted electronically to a registry database. Think of this as creating a birth certificate for the item. " ...