Regulation 5 Transfers
A reference to a regular police officer transferring from one force to another shall be construed as a reference to a regular police officer–
leaving a home police force for the purpose of joining another home police force as a regular police officer and joining that other force in that capacity, where–
not being the chief constable of, or a constable on probation in, the force first mentioned in this paragraph, the person leaves that force after giving a month’s notice in writing of their intention to do so to the police authority of that force, or such shorter period of notice as may have been accepted by that authority; or
being the chief constable of, or a constable on probation in, that force, the person leaves that force with the written consent of the chief constable or, in the case of the chief constable, of the police authority of that force; or
at the end of a period of relevant service joining another home police force as a regular police officer subject, in the case of a person who was, at the time they left the home police force in which that person was serving immediately before engaging on that period of relevant service, the chief constable of that force, to their doing so with the written consent of the police authority of that force.