In sections 248 and 249 of the [1960 c. 16.] Road Traffic Act 1960 (which give the Secretary of State power to hold inquiries for the purposes of that Act, and make general provision as to such inquiries) any reference to that Act shall be taken to include a reference to this Act, except that such a reference shall not be taken to include a reference to any of the excepted provisions (within the meaning given in section 46(3) above).