Not if you are not a
US resident and you fill in a
W-8BEN form to avoid such witholding taxes.
Are you sure about this?
I am quite sure that US Witholding Tax is ~30% unless you fill out a W8-BEN which reduces it to 15%.
Here is the relevant part of the actual tax treaty:
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Article 10 Dividends
1. Dividends paid by a company that is a resident of a Contracting State to a resident of the other Contracting State may be taxed in that other State.
2. However, such dividends may also be taxed in the Contracting State of which the company paying the dividends is a resident and according to the laws of that State, but if the beneficial owner of the dividends is a resident of the other Contracting State, except as otherwise provided in this Article, the tax so charged shall not exceed:
(a) 5 percent of the gross amount of the dividends if the beneficial owner is a company that owns at least 10 percent of the voting stock of the company paying the dividends;
(b) 15 percent of the gross amount of the dividends in all other cases.
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The US obviously charges the maximum that they are entitled to under the treaty - 15%.
I already own US shares and after filling out the W8-BEN form I am charged 15% tax on dividends.
What I am wondering is whether the investment funds have some way of paying less tax on dividends. If this is the case then in some circumstances it may mean that even with 23% exit tax it may be more efficient to buy through an investment fund.