Trusts play a crucial role in U.S. estate planning. However, the use of a U.S. trust in an international context can create a multitude of challenges. The Dutch tax system’s approach to the taxation of trusts poses a number of concerns for U.S. trust fund beneficiaries living in the Netherlands benefitting from a testamentary trust. In the not unusual set of circumstance where an L.L.C. is established to hold investments of the trust, double taxation without the benefit of foreign tax credits is more than a theoretical problem. In her article, Mignon de Wilde, a partner and tax adviser in the Amsterdam office of Arcagna Tax Consultants and Notaries, cautions that only two solutions seem to be available. Advance tax planning during the lifetime of the settlor is the preferred alternative. Seeking Competent Authority relief under the Netherlands-U.S. Income Tax Treaty is available in principle. Favorable authority exists in the Netherlands, less so in the U.S.