7Meaning of “enlarging variation” and “reducing variation” etc
(1)For the purposes of this Chapter, an “enlarging variation” is a variation of a direction issued under this Part which makes either or both of the following changes (and no others)—
(a)alters the direction so that it applies to an area to which it did not previously apply;
(b)alters the direction so that it applies to a type or types of relevant dwelling-house to which it did not previously apply;
and “enlarging elements” must be construed accordingly.
(2)For the purposes of this Chapter, a “reducing variation” is a variation of a direction issued under this Part which makes either or both of the following changes (and no others)—
(a)alters the direction so that it no longer applies to an area to which it did previously apply;
(b)alters the direction so that it no longer applies to a type or types of relevant dwelling-house to which it did previously apply;
and “reducing elements” must be construed accordingly.