Mini Case Study

Taxpayer A has been a citizen of France who happens to hold a U.S. green card. The green card was issued in July, 2009. This, of course, makes the client a U.S. taxpayer for income tax purposes, taxable on his worldwide income.
The individual lived in the United States on the green card for 2 years, but has been living in his home country more-or-less full time for the last couple of years. It sounds like the green card holder probably does not want to live permanently in the United States in the future. He has family in the United States (children and grandchildren) so visits will happen, but in terms of "where do I live?" the answer is not the United States anymore.
Because of differences in the tax laws, a particular item of income that is tax-free in France will be taxable on his U.S. income tax return.
The taxpayer is thinking about to make an election to be a nonresident of the United States for income tax purposes for 2013. What are the consequences of making that election ?

Treaty elections to be an income tax nonresident 

The US imposes income tax on U.S. citizens and green card holders regardless of where they actually live. In other words, the precise location of your corporeal being on Planet Earth is irrelevant–you must pay U.S. income tax on all of your income, no matter where it came from.
A green card holder can make a special election and get out of this tax situation–if and only if he or she is living in a country that has an income tax treaty with the United States.

All income tax treaties have a set of rules called "tie-breaker" rules. If a person can be considered a resident of the United States (under its normal tax laws) and also a resident of another country (under its normal tax laws), then in order to prevent agony and double taxation to that person, you look at the tie-breaker rules. Apply them in sequence and sooner or later you will come to a rule that definitively says you are a resident (for tax purposes) of one country and a nonresident of the other.
These provisions are typically in Article 4 of income tax treaties. A few old treaties have the tie-breaker provisions in Article 3.
You are not required to use the treaty tie-breaker rules if you are a U.S. taxpayer. The treaty is like a trump card that you can play to defeat the Internal Revenue Code. The government cannot play the trump card against you–the IRS cannot force you to make an election to apply the treaty to your situation. Only you the taxpayer can play the trump card.
How the treaty election works
If you make the election under an income tax treaty to be a resident of the other country (where you live) and a nonresident of the United States (where you have a green card), the results are as follows:

• You compute your income tax liability to the United States as if you are a nonresident of the United States; but
• For all other tax filing purposes, you are a resident.

Interpreted, this simply means you can reduce or eliminate the amount of income tax you pay to the IRS, but you still have to do all of the paperwork. Form 8938. Form 5471. Etc. All of the intrusive and privacy-destroying paperwork you can imagine will still apply to you. All of the insane penalties that the IRS throws at you ? They still apply. 
How to make a treaty election
The interesting thing is how the treaty election is made. You simply file a tax return that is consistent with calculating your tax according to how the income tax treaty says you should calculate it. That is how you take a tax reporting position based on the treaty.
There is Form 8833 to file.  Interestingly, if you do not file Form 8833, your treaty election is not defeated. You still are allowed to compute your income tax according to the treaty rules. The worst that can happen to you is that you pay a $1,000 penalty. 
Questions to ask yourself
Now we get to the considerations that taxpayer A must analyze before filing a 2013 income tax return  with a claim of nonresident status under the income tax treaty:

• Will the election to be a U.S. nonresident under the income tax treaty actually save tax?
• Will the client happily and eagerly do all of the rest of the tax paperwork demanded from him by the IRS for the 2013 tax year ?
• Will making the election to be a nonresident for income tax purposes create any immigration risks that could trigger revocation of the green card by the U.S. government ? And does the green card holder care ?
• Will making the election to be a nonresident for income tax purposes create any exit tax problems for the green card holder ?
• Are there State income tax questions to consider ?

Exit tax implications of the treaty election

Green card holders are subjected to the exit tax rules when they abandon their green card status (by filing Form I-407) with the U.S. government, or when the U.S. government revokes their visa status. Green card holders are also subjected to the exit tax rules when they make an election under an income tax treaty to be treated as a nonresident of the United States.

That second point is the one we care about–when will an election under an income tax treaty cause a green card holder to be subjected to the exit tax rules?
The answer is simple: when the green card holder has been the proud owner of a green card for a long time. This type of person is called a "long-term resident" in the Internal Revenue Code.
How long is a "long time"? It simply means that the person has held a green card "in" at least 8 of the last 15 years (including the current year).
If the person has held a green card for fewer than that magic number, then the person is not a long-term resident and the exit tax rules do not apply at all. "Long-term resident" is defined in Internal Revenue Code Section 877(e)(2).
For how a long-term resident is subjected to the current exit tax rules, go look at Internal Revenue Code Section 877A(g)(2)(B). This defines who is an "expatriate" or not as a long-term resident who ceases to be a lawful permanent resident of the United States within the meaning of Internal Revenue Code Section 7701(b)(6). And ceasing to be a lawful permanent resident of the United States within the meaning of Internal Revenue Code Section 7701(b)(6) is the same as making an election under an income tax treaty to be a nonresident for U.S. income tax purposes.
If you are not a "long-term resident" you cannot be an "expatriate". If you are not an "expatriate" then Internal Revenue Code Section 877A–the exit tax rules–cannot apply to you. Section 877A only applies to "expatriates" and specifically to a particular variety of expatriates–covered expatriates.
Applying facts to the law
Let's go back to taxpayer A. He received his green card in 2009. We are now in 2014. This means he has held a green card in the calendar years 2009, 2010, 2011, 2012, 2013, and 2014.
That's 6 years. Since taxpayer A has not held the green card in at least 8 taxable years out of the last 15, he does not have an exit tax risk if he makes the treaty election to be a nonresident of the United States and a resident of his home country. Taxpayer A can file Form 8833 and cause him to make the treaty election for tax year 2013 without triggering the big Section 877A tax. 
The other issues

• Will this save actual income tax? In this situation it is pretty clear that taxpayer A will save income tax. A particular type of capital gain was recognized on sale of an asset in 2013. That capital gain is tax-free in the home country but taxable in the United States. By electing nonresident status in the United States, the taxpayer will eliminate the possibility of income tax on that capital gain.
• The other tax filings. All of his other tax paperwork is still required. In other words, he is still going to file a big brick of a tax return with the IRS. It will still be expensive to prepare that tax return. The only good news is that he will pay less tax overall in 2013.
• Immigration problems. Filing a nonresident income tax return as a green card holder is a definite bad thing for visa purposes. Every immigration lawyer has said "this is a bad mark and is not good to do if you want to keep the green card". Taxpayer A should be OK if he drops the green card visa status. For him, it will be no problem to enter and exit the United States as a tourist since he comes from a country that has good diplomatic relationships with the USA.
• State income tax. I assume (based on the amount of time that the taxpayer has been outside the United States) that no State assumes he is a resident for State income tax purposes.

My suggestion for people in a situation like this is to drop the green card. Get rid of that visa status, because as soon as you hit that magic "in at least 8 taxable years during the period of 15 taxable years ending with [this year]" you will be subjected to the exit tax.
As a general principle it is a good idea to dump the green card unless you really, truly intend to remain a physical resident of the United States forever. If you harbor an intention to possibly return to your home country to live (e.g., upon retirement), staying too long in the United States might become extremely costly. The exit tax rules create a perverse economic incentive that drives successful immigrants away.
For taxpayer A, it sounds like he will remain a resident of his home country and make visits to the United States to see his grandchildren. He just needs a tourist visa for that.
Dump the green card. File Form I-407 at your favorite Consulate or Embassy and be done with the IRS. This will make 2014 the last year that you have the IRS burrowed deep inside you.
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