States tax resident individuals and corporations on their worldwide income, but few allow a credit for foreign taxes.

At Christie's, a spokeswoman said the auction house would not have offered to pay foreign taxes.

Now, the companies have figured out how to use that flexibility to avoid foreign taxes.

However, you may be able to deduct other foreign taxes.

It lists 37 countries with the percentages of foreign taxes paid in each.

Unless you paid a significant amount in foreign taxes, that's probably the best bet.

United States law gives American companies a $1 tax credit for every dollar they pay in foreign taxes.

But there may be foreign taxes that you'll have to pay.

In addition, such factors as liability of shares to foreign tax must be disclosed.

Doing so would allow the foundation to avoid the yearly assessment of several million dollars in foreign taxes.