7. Where, under the trusts of a charity, the charity trustees immediately before 1st April 1996 include a person who is a trustee by virtue of his being an officer of—
(a)an old authority which is specified in column (1) in Part I or II of Schedule 1, or in Part I or II of Schedule 2; or
(b)a Regional Health Authority,
the trustees shall from that date instead include the holder of the corresponding office with the relevant new authority.