Deputy chief constable (DCC) is the second highest rank in all territorial police forces in the United Kingdom (except the Metropolitan Police, in which the equivalent rank is deputy assistant commissioner, and City of London Police, in which the equivalent rank is assistant commissioner, both of which wear the same insignia as a DCC).
In some smaller forces (usually those with only a single ACC or no ACC), they take responsibility for territorial policing, but in most forces the role covers corporate functions including professional standards.
[1] The rank was abolished on 1 April 1995, following recommendations made in the Sheehy Report, later confirmed by the Police Act 1996, although officers already holding the rank could continue to hold it.
The Home Office officially reintroduced the rank on 1 January 2002 under the terms of the Criminal Justice and Police Act 2001.
The rank badge worn by a DCC consists of a bath star ("pip") over crossed tipstaves within a wreath, similar to the insignia of a major-general in the British Army.