At present, the application of double taxation and the possibilities of avoiding legal and economic disadvantages are governed by the rules of the Levy Code. Thus, two legal norms aimed at avoiding double taxation can be considered: first, national legislation and, second, international treaties ratified by Portugal. It is advisable to talk to our lawyers in Portugal and get legal help if you are starting a business in Portugal or if you are more familiar with the tax structure in that country. Like many other countries, Belgium has signed a series of double taxation treaties that allow individuals to avoid double taxation of their income and exempt foreign companies from corporate double taxation. Our team of lawyers in Belgium can help interested foreign investors obtain additional or specific information about a contract signed with another particular state. In this article, we present the purpose of the treaties, as they apply in Belgium, and list some of the countries with which Belgium has signed this type of agreement. Over the years, Portugal has signed fifty-two double taxation conventions for the avoidance of double taxation of income tax, in accordance with the OECD Model Convention, with some reservations aimed essentially at ensuring a broader concept of permanent establishment and increasing the level of taxation in the country of origin with regard to dividends, interest and royalties. Generally, contracts entered into use the ordinary tax credit method, bearing in mind that some agreements provide for an equivalent tax credit or credit. For more information on how to avoid double taxation, please contact our law firm in Portugal. A double taxation convention is a convention signed between two countries to avoid international double taxation of the same type of income. On the other hand, the exception to this mandatory rule is the situation in which the non-resident does not fulfil the conditions laid down in a bilateral agreement or where such an agreement does not exist, so that only the source State (in whose territory the income received is taxed) applies the internal tax policy to the income of non-residents operating in its territory. Portugal has signed double taxation treaties to date with: Algeria, Austria, Barbados, Belgium, Brazil, Bulgaria, Cape Verde, Canada, Chile, China, Colombia, Cuba, Cyprus, Denmark, Slovenia, Estonia, Finland, France, Germany, Greece, Guinea-Bissau, Netherlands, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, South Africa, Spain, United Arab Emirates, United States of America, Japan, Kuwait, Latvia, Tauen, Luxembourg, Macau, Malta, Mexico, Morocco, Mozambique, Norway, Panama, Pakistan, Peru, Poland, Qatar, United Kingdom, Czech Republic, Republic of Moldova, Slovak Republic, Republic of Uruguay, Romania, Russia, Singapore, Sweden, Switzerland, Timor-Leste, Tunisia, Turkey, Ukraine, Venezuela. .