There are several items required to complete a finance interest:
Agreement Date, Term and Type
The basic details of the agreement you hold on the vehicle.
New or Used
Whether the vehicle is new or used
The type of item the interest is being recorded on
The manufacturer of the said item.
The description of the vehicle or asset to help users of HPI check identify they are looking at the same item. This is particularly relevant for serial numbers where multiple registered interests on the same number can occur.