13.—(1) This article applies to the deposit of any—
(a)marine chemical treatment substance;
(b)marine oil treatment substance;
(c)marine surface fouling cleaner.
(2) This article is subject to conditions 1 to 3.
(3) Condition 1 is that the substance must be one the use of which is for the time being approved for the purposes of this Order by the Scottish Ministers.
(4) Condition 2 is that the substance must be used in accordance with any conditions to which the approval is subject.
(5) Condition 3 is that no deposit must be made in an area of the sea of a depth of less than 20 metres or within one nautical mile of any such area except with the approval of the Scottish Ministers.
(6) In paragraph (1)—
(a)“marine chemical treatment substance” and “marine oil treatment substance” have the same meaning as in section 107(2) of the Act;
(b)“marine surface fouling cleaner” means any substance used or intended to be used for removing surface fouling matter from the surface of the sea or of the sea bed.