Some tax liabilities may surprise you

Inter-spousal transfers which most married couples believe should be tax-free, may, in fact, be subject to tax not only in the United States but in other countries as well.

Trusts are frequently used as a tool for asset and estate planning. The US and many foreign jurisdictions have complex tax issues associated with the timing and the amount taxed to trustees, settlors and beneficiaries. This varies from jurisdiction to jurisdiction and requires sophisticated planning.