18(1)In section 3 of that Act (which relates to the functions of the corporations), in subsection (1) after the word " Act" there shall be inserted the words "and the Civil Aviation Act 1971".
(2)In subsection (2) of that section after the word "Act" there shall be inserted the words "or the said Act of 1971".
(3)In subsection (3) of that section for the words " under this subsection " there shall be substituted the words "by the Secretary of State by statutory instrument".
(4)In subsection (4) of that section for the words from the beginning to "provided" there shall be substituted the words "Notwithstanding anything in the preceding provisions of this section, each of the corporations shall have power with, but only with, the consent of the Board" and at the end of that subsection there shall be inserted the words "and the Board shall not give its consent in pursuance of this subsection except with the general or special consent of the Secretary of State, so however that his consent shall not be required in respect of a loan to the Board or the other corporation".