74.This section provides Scottish Ministers with a power to modify, by regulations, the definition of a “high hedge”, as defined by section 1 by adding or removing a type of tree or shrub from section 1(1)(a); increasing or reducing the height above ground level specified in section 1(1)(b) and (2); and modifying or adding to the effect of a hedge specified in section 1(1)(c). Subsections (2) and (3) specify that those regulations may also make other appropriate changes to this and other Acts and that they are subject to affirmative procedure.