1.— In this Act—

“ Act of 1960 ” means the Defence (Amendment) (No. 2) Act 1960;

“ international organisation ” means—

(a) the United Nations,

(b) the Organisation for Security and Co-operation in Europe,

(c) the European Union or any institution or body of the European Union, or

(d) any regional arrangement or agency that participates, or has participated, in operations as part of an International United Nations Force;

“ International United Nations Force ” means an international force or body established, mandated, authorised, endorsed, supported, approved or otherwise sanctioned by a resolution of the Security Council or the General Assembly of the United Nations;

“ Principal Act ” means the Defence Act 1954;

“ training ” means any programme or course of education, training or exercises and includes seminars and strategic and planning exercises.