11(1)In subsection (1) of section 12 of that Act (interpretation)—
(a)for the definition of "concession owner" there shall be substituted the following definition—
“' controlled waters ' has the meaning given by section 1(4) of this Act,”;
(b)after the definition of " designated area" there shall be inserted the following definition—
“' foreign sector of the continental shelf' has the meaning given by section 1(4) of this Act,”;
(c)for the definition of " offshore installation " there shall be substituted the following definition—
“' offshore installation' has the meaning given by section 1(4) of this Act,”; and
(d)the definitions of " underwater exploitation" and " underwater exploration " shall be omitted.
(2)For subsections (2) and (3) of that section there shall be substituted the following subsections—
“(2)A person who has the right to exploit or explore mineral resources in any area, or to store gas in any area and to recover gas so stored, shall be a concession owner for the purposes of this Act in relation to any offshore installation at any time if, at that time, there is carried on from, by means of or on the installation any of the following activities, namely—
(a)the exploitation or exploration of mineral resources, or the storage or recovery of gas, in the exercise of that right;
(b)the conveyance in that area by means of a pipe or system of pipes, of minerals gotten, or gas being stored or recovered, in the exercise of that right; and
(c)the provision of accommodation for persons who work on or from an installation which is or has been maintained, or is intended to be established, for the carrying on of an activity falling within paragraph (a) or (b) above or this paragraph.
(3)The fact that an installation has been maintained for the carrying on of an activity falling within subsection (2) above shall be disregarded for the purposes of paragraph (c) of that subsection if, since it was so maintained, the installation—
(a)has been outside controlled waters or, where it was so maintained in a part of a foreign sector of the continental shelf adjacent to those waters, the area consisting of those waters and that part; or
(b)has been maintained for the carrying on of an activity not falling within that subsection.”