Subject to ratification, it will allow an open framework for direct flights by any number of Canadian and Mexican cargo or passenger carriers, with full flexibility on pricing. The agreement is consistent with Canada's Blue Sky policy, which aims to encourage the expansion of international air services and under which it has now signed new or expanded agreements with over 80 countries.The agreement was signed during Canadian prime minster Stephen Harper's visit to Mexico. Harper says: "Mexico is one of Canada's largest international air transport markets and one of our most important trading partners. This agreement will enhance business opportunities for our respective air industries and foster increased trade, investment, tourism, and people-to-people links." Derek Vanstone, vice president of corporate strategy, industry and government affairs at Canadian flag carrier Air Canada, welcomed the move. He says: "Mexico is an important market for Air Canada and this expanded agreement will further strengthen air linkages between Canada and our North America Free Trade Agreement partner." Air Canada is a belly cargo only provider of airfreight services and it has scheduled passenger flights to 60 Canadian cities, 49 destinations in the US and 67 cities in Europe, the Americas and worldwide.