Mackay v Adams - [1926] NZLR 518

Motor Traffic — Use of Motor - lorries — Power of Governor - General to make Regulations — Regulations prescribing Maximum Speeds — Power given to "Controlling Authority" to permit certain Classes of Motor-lorries to travel at a Speed in Excess of Maximum Speed provided in Regulations — Whether Delegation — Validity — Public Works Amendment Act, 1924, s 19 — Regulations thereunder, Clause 5 (NZ Gazette, 1925, p 863).