Attorney-General v Cooper and Another - [1974] 2 NZLR 713

Highways, roads and streets — Construction and maintenance — Notice to enter upon farm land to dig and take stone, gravel or other material — Notice invalid as area not sufficiently specified — Public Works Act 1928, s 121(1)(k) — Whether implied delegation of power of National Roads Board to Commissioner of Works — Whether subdelegation to District Commissioner of Works permissible — National Roads Act 1953, s 13(2) — "Duties" — National Roads Act 1953, s 16.