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| My mother...has a Swiss passport and a U.S. green card. ...My mother would like to write a will but tells me that even if she did not do that I as her only child would inherit her assets due to Napoleonic law that prevents parents from disinheriting their children. ...My question is that as her only child would this apply to me even though I have lived in the US my entire life. | |
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You have two separate issues here: inheritance law and tax law.
(1) Inheritance law (and how a will should be written) is a state (not federal) matter. If your mother does not have a will (valid per the law of the state where she resides), then the state will determine which heirs get what percentage(s). You do not, ever, want to be in that situation.
(2) Any "US person" under the tax code (which includes anyone holidng a "green card") is subject to federal estate tax. There is no choice in the matter. (Some states may levy an estate tax, a further complication.)
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| I spoke to a lawyer about this and strongly recommended that my mother write a will in the US that states that she want's Swiss law to apply to her will.... I spoke to her about this and she is adamant that this would not be necessary. | |
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The attorney & your mother are simply wrong. You do not have a choice about making Swiss law apply to a US resident.
However, you can (and should) have your mother go to a US attorney in her state of residence, and draw a will, for the reasons I noted above.
Via careful planning (e.g. using gifts or a trust), much of the estate tax can be legally avoided.