In Attorney General for Canada vs Attorney General for the Province of Quebed,(3) Lord Porter in delivering the judgment of the Board drew attention to these principles and then observed: 176 "In calling attention to these principles their Lordships are but repeating what has many times been set forth in the judgments of the Board, and it only remains to apply them to the individual case under consideration. ' The rule of pith and substance laid down by the Privy Council was reaffirmed by Viscount Simon in Attorney General of Sasketchewan vs Attorney General of Canada & Ors (1) This was emphasized very clearly by Lord Atkin while dealing with the validity of the Milk and Milk Products Act (Northern Ireland) which was impugned as violating section 4 of the Government of Ireland Act, 1920 in Gallahagher vs Lynn(2) in his own terse language: "It is well established that you are to look at the "true nature and character" of the legislation; Russell vs The Queen(3) "the pith and substance of the legislation".