Prospective Part 1 E+W+S+N.I.Mutual assistance in criminal mattersChapter 1E+W+S+N.I.Mutual service of process etc.Service of overseas process in the UKE+W+S+N.I.1Service of overseas processE+W+S+N.I.(1)The power conferred by subsection (3) is exercisable where the Secretary of State receives any process or other document to which this section applies from the government of, or other authority in,