<Li> in England or Wales, shall be taken to the nearest convenient police station (Scotland) or to a police station within a sheriffdom in which the offence is being investigated (Scotland), or to the nearest convenient designated police station (England or Wales), or </Li> <Li> in Northern Ireland, shall be taken to the nearest convenient police station (Scotland) or to a police station within a sheriffdom in which the offence is being investigated (Scotland), or to the nearest convenient designated police station (Northern Ireland), as soon as reasonably practicable . </Li> <P> Detention under these powers, which in Scotland normally lasts for twelve hours, can be extended for up to twenty four hours . </P> <P> A constable from one legal jurisdiction has, in the other jurisdictions, the same powers of arrest as a constable of that jurisdiction would have . </P>

Which of the following is not a requirement for becoming a police officer