(1)A person who does an act mentioned in section 82, 83, 84 or 85 does not commit an offence under that section unless condition A, B, C, D or E is satisfied.
(2)Condition A is satisfied if he does the act in the United Kingdom or external waters.
(3)Condition B is satisfied if he does the act in a British-registered ship or British-registered aircraft while it is not in or over the United Kingdom or external waters.
(4)Condition C is satisfied if, in a case where—
(a)neither condition A nor condition B is satisfied, but
(b)the broadcasts in question are made, or are to be made, from a structure or other object (which is not a ship or aircraft) in waters in a designated area,
he does the act on that structure or other object within those waters.
(5)Condition D is satisfied if, in a case where—
(a)neither condition A nor condition B is satisfied, but
(b)the broadcasts in question are made, or are to be made, from a ship in contravention of section 79(1),
he does the act in that ship within an area of the high seas that is prescribed for the purposes of section 79.
(6)Condition E is satisfied if—
(a)he is a British person; and
(b)he does the act on or over the high seas.