Mutual agreement procedure (MAP) is an important instrument for resolving disputes on taxation not in accordance with the provisions of double taxation agreements. Nevertheless, its potential was not applied widely neither by taxpayers nor by the competent authorities in Ukraine. In 2020, the national legislator introduced changes to the Tax Code of Ukraine that might positively impact on the practice of application of MAP in Ukraine and make it more certain and comfortable for taxpayers and tax authorities. The taxpayers received the right to initiate MAP between competent authorities of contracting states in case of taxation not in accordance with the provisions of double taxation treaties. At the same time, the new legal provisions have few deficiencies in comparison with the international standards of international taxation included in the OECD MTC and its commentaries. Based on the results of the comparative analysis, the amendments to the Tax Code of Ukraine are proposed in the article.