The Secretary of State may, with any necessary modifications, by order apply any of the provisions of paragraph 1 of Schedule 9 to the [1971 c. 75.] Civil Aviation Act 1971 to the case of a person who enters the employment of a Health Board after having been employed in employment to which the said paragraph 1 applies, and any such order may provide that for the purposes of any enactment specified in the order, or for any other purposes so specified, there shall be deemed to have been no break in the employment of any such person.