These days, it is not uncommon for U.S. citizens who live in this country to be married to non-citizen spouses who also live here. Or two non-citizens may get married while living here. In tax lingo, non-citizens who are permanent U.S. residents are termed resident aliens. Unfortunately, standard estate tax planning advice that works for most married couples will not necessarily work when one or both spouses are resident aliens. Here’s what you need to know if this is your situation.

Estate planning with a non-citizen spouse – Tax Guy – MarketWatch