(1) The Secretary of State must, within the period of six months beginning with the day on which this Act is passed, publish a draft Bill consisting of -
(a) a set of environmental principles,
(b) a duty on the Secretary of State to publish a statement of policy in relation to the application and interpretation of those principles in connection with the making and development of policies by Ministers of the Crown,
(c) a duty which ensures that Ministers of the Crown must have regard, in circumstances provided for by or under the Bill, to the statement mentioned in paragraph (b),
(d) provisions for the establishment of a public authority with functions for taking, in circumstances provided for by or under the Bill, proportionate enforcement action (including legal proceedings if necessary) where the authority considers that a Minister of the Crown is not complying with environmental law (as it is defined in the Bill), and
(e) such other provisions as the Secretary of State consider