Does the United States have a tax treaty with foreign countries?
The United States has income tax treaties (or conventions) with a number of foreign countries under which residents (but not always citizens) of those countries are taxed at a reduced rate or are exempt from U.S. income taxes on certain income, profit or gain from sources within the United States.
How does a tax treaty affect a nonresident alien?
The income tax treaty between the two countries must contain a provision that provides for resolution of conflicting claims of residence (tiebreaker rule). If you are treated as a resident of a foreign country under a tax treaty, you are treated as a nonresident alien in figuring your U.S. income tax.
Are foreign government wages exempt from US income tax?
Requirements. If you are not a U.S. citizen (or if you are a U.S. citizen but also a citizen of the Republic of the Philippines) and you work for a foreign government in the United States, your foreign government wages are exempt from U.S. income tax if:
What if a sale is taxable to a foreign country?
The income is treated as U.S. source income if an income tax of less than 10% of the income from the sale is paid to a foreign country. This rule also applies to losses if the foreign country would have imposed an income tax of less than 10% had the sale resulted in a gain.
US TAXATION OF FOREIGN NATIONALS