Lord Atkin:-

This is one of a series of cases brought before this Board on appeal from the Supreme Court of Canada on references by the Governor-General in Council to determine the validity of certain statutes of Canada passed in 1934 and 1935. Their Lordships will deal with all the appeals in due course, but they propose to begin with that involving the Weekly Rest in Industrial Undertakings Act, The Minimum Wages Act and The Limitation of Hours of Work Act, both because of the exceptional importance of the issues involved, and because it affords them an opportunity of stating their opinion upon some matters which also arise in the other cases. At the outset they desire to express their appreciation of the valuable assistance which they have received from counsel, both for the Dominion and for the respective Provinces. No pains have been spared to place before the Board all the material both as to the facts and the law which could assist the Board in their responsible task. The arguments were cogent and not diffuse. The statutes in question in the present case were passed, as their titles recite, in accordance with conventions adopted by the International Labour Organization of the