The object of this Act is to provide further safeguards for applications for the following—
(a) coercive powers orders;
(b) surveillance device warrants;
(c) retrieval warrants;
(d) assistance orders;
(e) approval of emergency authorisations;
(f) telecommunications interception warrants;
(g) covert search warrants;
(h) preventative detention orders;
(i) prohibited contact orders;
(j) an extension, variation, renewal or revocation of an order, warrant or approval referred to in paragraphs (a) to (i).