His Master's Voice (N.Z.) Limited and Others v Simmons and Another - [1960] NZLR 25

Trade Practices — Gramophone Records — Agreements between Manufacturers and Distributors affecting Minimum Wholesale and Retail Prices of Records — Such Alleged Trade Practice not "expressly authorized" by Copyright Act 1913 — Trade Practices and Prices Commission entitled to inquire into Such Agreements — Trade Practices Act 1958, ss. 19 (4), 20 — Copyright Act 1913, s. 25 — Copyright Regulations 1913 (1914 New Zealand Gazette, 1325), Regs. 43 (1) (d), 50 (Copyright Amending Regulations 1955 (S.R. 1955/45), Reg. 2).