(1)Subsections (2) and (3) below apply to any byelaw made by a local authority which has the effect of making any person in charge of a dog guilty of an offence if—
(a)he permits the dog to defecate on any land; or
(b)in a case where the dog defecates on any land, he fails to remove the faeces from the land.
(2)In so far as any byelaw to which this subsection applies would, apart from this subsection, have effect in relation to any designated land, the byelaw—
(a)shall cease to have effect in relation to the land; or
(b)where it is made after the order under section 2(1) above, shall not have effect in relation to the land.
(3)In so far as any byelaw to which this subsection applies still has effect at the end of the period of 10 years beginning with the day on which this Act comes into force, it shall cease to have effect at the end of that period in relation to any land to which this Act applies.
(4)Where any omission would, apart from this subsection, constitute an offence both under section 3 above and under any byelaw other than one to which subsections (2) and (3) above apply, the omission shall not constitute an offence under the byelaw.