If:
(a) a network activity warrant was issued in response to an application made by the chief officer of the Australian Federal Police or the Australian Crime Commission; and
(b) a thing mentioned in subsection 27KP(8) was done under the warrant after the 28 - day period mentioned in paragraph 27KP(8)(k);
the chief officer must:
(c) notify the Inspector - General of Intelligence and Security of the fact that the thing was done under the warrant after the 28 - day period mentioned in paragraph 27KP(8)(k); and
(d) do so within 7 days after the thing was done.