Nothing in this Part applies to—
(a)any activity relating to a matter which is a reserved matter by virtue of Section D2 (oil and gas) in Part II of Schedule 5 to the Scotland Act 1998 (c.46) and which is an activity outside controlled waters (within the meaning of section 30A(1) of the Control of Pollution Act 1974 (c.40)),
(b)any activity relating to a matter which is a reserved matter by virtue of paragraph 9 (defence) in Part I of that Schedule,
(c)any activity falling within the subject matter of Part 6 (pollution) of the Merchant Shipping Act 1995 (c.21).