Hanna v Auckland City Corporation - [1945] NZLR 622

By-law — Municipal Corporation — Construction and Repair of Buildings at estimated Cost exceeding £2,000 — Supervision and Preparation of Plans by Registered Architect or Registered Civil or Structural Engineer — Limitation to such Registered Architect or Engineer, "who is in the opinion of the City Engineer properly qualified to prepare the plans for and supervise the execution" of such Work — Whether Ultra Vires — Reasonableness — "Sanitary and other works" — "Discretion is so great as to be unreasonable" — Municipal Corporations Act, 1933, ss 346, 364 (20) (22), 367 (c) — By-laws Act, 1910, s 13 (2) — New Zealand Institute of Architects Act, 1913, s 27 (5).