The office of the solicitor general has its historic roots in England. In Canada the office varies substantially from jurisdiction to jurisdiction. In some provinces the office of the solicitor general is subsumed under one or more different portfolios, but in most it is separate and distinct.
The Supreme Court delineated, in the Stinchcombe case (1991), the legal parameters of a full and complete defence, as guaranteed by section 7 of the Canadian Charter of Rights and Freedoms. This had the effect of eliminating the legal uncertainty surrounding the disclosure of evidence by the Crown.
Air law and space law are separate and distinct branches of law, although they are occasionally treated as one ("Aerospace Law"). Air law, the older of the 2, is the body of public and private law, both national and international, that regulates aeronautical activities and other uses of airspace.