4. The following Orders are revoked, namely:—
(a)the Parliamentary Constituencies (Scotland) Order 1983(1);
(b)the Parliamentary Constituencies (Scotland) (Miscellaneous Changes) Order 1987(2);
(c)the Parliamentary Constituencies (Scotland) (Miscellaneous Changes) Order 1988(3); and
(d)the Parliamentary Constituencies (Scotland) (Miscellaneous Changes) Order 1990(4).