The ranks that may be held in a police force maintained under section 2 shall be such as may be prescribed by regulations under section 50 and the ranks so prescribed shall include, in addition to chief constable F1, deputy chief constable and assistant chief constable, the ranks of F2chief superintendent superintendent, chief inspector, inspector, sergeant and constable.

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Appointments and promotions to any rank below that of assistant chief constable in any police force maintained under section 2 shall be made, in accordance with regulations under section 50, by the chief constable.