On 30 November 2010, the amendments to withholding taxation were published in the Official Gazette No. 94. The amendments will enter into force on 1 January 2011. The most important changes are summarized below. Corporate (a) Interest and Royalties Directive. Bulgaria avails of an 8-year transitional period for implementing the EU Interest and Royalties Directive (2003/49). Under the transitional period: -   for the first 4 years after 2007: the withholding tax rate on interest and royalties between associated companies must not be higher than 10%; and -   for the 4 years after 2011, this rate is reduced to...