In order to avoid double taxation, many countries have concluded bilateral treaties. You can find below extracts of these tax treaties relative to the taxation of interests. However, since EU countries are not obliged under any EU or international laws to conclude tax treaties with each other, you may not find a treaty with the country you want to invest in. Please keep in mind that these documents are for information purposes only. We advise you to contact a tax advisor prior to invest abroad.
The analysis was conducted on August 2016. For up to date information, you can also find the full texts for each EU countries at : http://ec.europa.eu/taxation_customs/individuals/personal-taxation/treaties-avoidance-double-taxation-concluded-member-states_en