With regard to Public Works and Government Services Canada, what were the legal costs incurred by the government with respect to the case Halifax Regional Municipality v. Her Majesty the Queen in Right of Canada, – and – City of Toronto, Federation of Canadian Municipalities, Association of Canadian Port Authorities and City of Québec, decided as Supreme Court of Canada docket 33876, distinguishing costs incurred: (a) pre-trial; (b) related to proceedings at the Federal Court of Canada; (c) related to proceedings at the Federal Court of Appeal; (d) related to proceedings at the Supreme Court of Canada; and (e) other costs, specifying the nature of those costs?