There are currently eight chief constables, nine deputy chief constables (DCCs) and 13 assistant chief constables (ACCs) across Scotland.

BBC: Fourteen local commanders for new Police Scotland

The new service will have one chief constable, four DCCs and six ACCs - their appointment were announced last year.

BBC: Fourteen local commanders for new Police Scotland

Among those appointed ACCs are acting Central Scotland Chief Constable Derek Penman, who will cover local policing for the north area, and Strathclyde Assistant Chief Constable Bernie Higgins, who will take on the operational support role.

BBC: Police Scotland: New service chiefs named