3(1)This paragraph applies where it appears to the Secretary of State—
(a)that a person is proposing to carry out development of a kind mentioned in section 15(1)(a), and
(b)that the development has been the subject of environmental assessment in connection with the Crossrail Bill.
(2)If it appears to the Secretary of State that it is necessary or desirable to do so for the purpose of avoiding a breach of a relevant undertaking, he may, by notice in writing to the proposed developer, disapply section 15(1) in relation to the carrying out of the development by that person.
(3)The power conferred by sub-paragraph (2) includes power, exercisable in the same manner, to revoke a notice under that sub-paragraph.