In their application to Northern Ireland the provisions of this Act mentioned in the following paragraphs of this Schedule shall have effect subject to the modifications set out in those paragraphs.
Where a provision of this Act which extends to Northern Ireland confers power on the Secretary of State to prepare a code of practice, that power may be so exercised as to prepare a code of practice having effect only in Northern Ireland and containing provisions different to those contained in any code of practice prepared under that provision and having effect in England and Wales.
In any provision of this Act which extends to Northern Ireland—
reference to an enactment includes reference to an enactment comprised in Northern Ireland legislation;
reference to a police officer is a reference to a member of the Royal Ulster Constabulary or of the Royal Ulster Constabulary Reserve.