A unique identifying number of the insurance as assigned by the organisation. The number should be a reference to written documentation about the indemnity, which should include a copy of the indemnity.
How to record
May include: a prefix to distinguish it from other reference numbers; the year; and a running number.
The same Insurance reference number can be used for one or more objects covered by the same insurance policy, but an object can only have one Insurance reference number at any one time.