The following documents, namely—
may, in such manner as may be prescribed by rules of court, be served on him in Scotland or Northern Ireland.
The documents falling within subsection (1)(a) include a summons directed to a person that is issued after the person's trial has begun.
A summons requiring a person charged with an offence to appear before a court in Northern Ireland may, in such manner as may be prescribed by rules of court, be served on him in England, Wales or Scotland.
Citation of a person charged with a crime or offence to appear before a court in Scotland may be effected in any other part of the United Kingdom in like manner as it may be done in Scotland, and for this purpose the persons authorised to effect such citation shall include