https://www.slab.org.uk/faqs/what-police-reference-number-do-i-need-for-an-aa-intimation-and-claim/
https://www.slab.org.uk/faqs/what-police-reference-number-do-i-need-for-an-aa-intimation-and-claim/
You need the Police Scotland Custody System Unique Reference Number for the case. Some police officers are referring to this as the NCS Reference number (National Custody System).This is a national sequential number allocated each time a person is booked into police custody. The number is currently about 152,000.