xmlns:atom="http://www.w3.org/2005/Atom"
Sections 29(1) and 31(1) do not apply to a qualifying condition in so far as such condition constitutes an obligation—
(a)to maintain or reinstate, and
(b)which has been assumed—
(i)by a local or other public authority, or
(ii)by virtue of any enactment, by a successor body to any such authority.