The reality of being a “DUAL” Canada U.S. tax filer is that you are a “DUEL” tax filer “It’s not the taxes they take from you. It’s that the U.S. tax system leaves you with few opportunities for financial planning” I was recently asked “what exactly are the issues facing “Canada U.S. dual tax filers?” This is my attempt to condense this topic into a short answer. There are a number of “obvious issues facing U.S. citizens living in Canada.” There are a number of issues that are less obvious. Here goes … There are (at least) five obvious issues facing “dual Canada U.S. tax filers in Canada”.