A common arrangement used in a will when a married testator has an estate with a value that exceeds his or her remaining estate tax exemption amount.  A testator creates at the first death a marital trust or “A Trust” for the sole benefit of the surviving spouse for life (sometimes called a “Marital Trust” or “QTIP Trust”) and a bypass or “B Trust” for the benefit of the testator’s descendants or the testator’s surviving spouse and descendants for life (sometimes called the “Credit Shelter Trust” or “Family Trust”).  After the death of the surviving spouse, the remaining assets of both trusts generally pass to the testator’s descendants.  The B Trust passes at the death of the surviving spouse to the beneficiaries free of estate taxes regardless of the value of the B Trust at that time.  The value of the A trust is included in the surviving spouse’s estate for estate tax purposes, and the surviving spouse’s remaining estate tax exemption is applied to the collective value of the A Trust and the surviving spouse’s own assets.  Under prior law, only the decedent could use his or her estate tax exemption, so it was important to create the B Trust in order to earmark this exemption.  Since the concept of portability is now part of the law, not everyone will need the complexity of the A-B trust structure in order to take advantage of his or her estate tax exemption. Portability allows the surviving spouse to use the unused estate tax exemption of the first spouse to die.  Be careful, however. While it is seductively simple and inexpensive to leave all assets outright to the surviving spouse and plan on his or her use of portability to avoid estate taxes, trusts offer many more advantages than tax planning.  Continuing to use trusts allows you the assurance that your assets will be used and distributed as and to whom you wish and offers other advantages such as asset or creditor protection and generation skipping.

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