Data and research on tax treaties including OECD Model Tax Convention, Mutual Agreement Procedure Statistics, prevention of treaty abuse., This note revisits the guidance issued by the OECD Secretariat in April 2020 on the impact of the COVID-19 pandemic on tax treaties. The guidance represents the Secretariat's views, supported by Working Party 1, on the interpretation of the provisions of tax treaties intending to provide more certainty to taxpayers during this exceptional period when those measures were applicable.