<P> As well, in all criminal trials under the Criminal Code, a federal statute, every accused whose language is either English or French has the right to be tried in the language of their choice . As a result, every court of criminal jurisdiction in Canada, whether federal, provincial or territorial, must have the institutional capacity to provide trials in either language . </P> <P> Furthermore, under section 14 of the Canadian Charter of Rights and Freedoms, a party or witness in any proceedings who does not understand or speak the language in which the proceedings are conducted or who is deaf has the right to the assistance of an interpreter . </P> <P> In the Northwest Territories and Nunavut the official aboriginal languages may be used as well . </P> <P> Courtroom custom is largely based upon the British tradition, with a few modifications . </P>

Who represents the federal government in hearings before the supreme court