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Under the Action 13 Minimum Standard of the OECD/G20 BEPS Project, jurisdictions have committed to foster tax transparency by requesting the largest multinational enterprise groups (MNE Groups) to provide the global allocation of their income, taxes and other indicators of the location of economic activity. This unprecedented information on MNE Groups’ operations across the world has boosted tax authorities’ risk assessment capabilities. The Action 13 Minimum Standard was translated into specific terms of reference and a methodology for the peer review process. The peer review of the Action 13 Minimum Standard has completed four annual reviews in 2017, 2018, 2019 and 2020. These cover the three key areas under review: the domestic legal and administrative framework, the exchange of information framework, and the confidentiality and appropriate use of Country-by-Country (CbC) reports. This 2021 annual peer review report reflects the outcome of the fourth review which considered all aspects of implementation. It contains the review of 132 jurisdictions member of the OECD/G20 Inclusive Framework on BEPS which provided legislation or information pertaining to the implementation of CbC Reporting.

Under Action 14, countries have committed to implement a minimum standard to strengthen the effectiveness and efficiency of the mutual agreement procedure (MAP). The MAP is included in Article 25 of the OECD Model Tax Convention and commits countries to endeavour to resolve disputes related to the interpretation and application of tax treaties. The Action 14 Minimum Standard has been translated into specific terms of reference and a methodology for the peer review and monitoring process. The peer review process is conducted in two stages. Stage 1 assesses countries against the terms of reference of the minimum standard according to an agreed schedule of review. Stage 2 focuses on monitoring the follow-up of any recommendations resulting from jurisdictions' stage 1 peer review report. This report reflects the outcome of the stage 2 peer monitoring of the implementation of the Action 14 Minimum Standard by Hong Kong, China.

Under Action 14, countries have committed to implement a minimum standard to strengthen the effectiveness and efficiency of the mutual agreement procedure (MAP). The MAP is included in Article 25 of the OECD Model Tax Convention and commits countries to endeavour to resolve disputes related to the interpretation and application of tax treaties. The Action 14 Minimum Standard has been translated into specific terms of reference and a methodology for the peer review and monitoring process. The peer review process is conducted in two stages. Stage 1 assesses countries against the terms of reference of the minimum standard according to an agreed schedule of review. Stage 2 focuses on monitoring the follow-up of any recommendations resulting from jurisdictions' stage 1 peer review report. This report reflects the outcome of the stage 2 peer monitoring of the implementation of the Action 14 Minimum Standard by the Russian Federation.

Under Action 14, countries have committed to implement a minimum standard to strengthen the effectiveness and efficiency of the mutual agreement procedure (MAP). The MAP is included in Article 25 of the OECD Model Tax Convention and commits countries to endeavour to resolve disputes related to the interpretation and application of tax treaties. The Action 14 Minimum Standard has been translated into specific terms of reference and a methodology for the peer review and monitoring process. The peer review process is conducted in two stages. Stage 1 assesses countries against the terms of reference of the minimum standard according to an agreed schedule of review. Stage 2 focuses on monitoring the follow-up of any recommendations resulting from jurisdictions' stage 1 peer review report. This report reflects the outcome of the stage 2 peer monitoring of the implementation of the Action 14 Minimum Standard by the People's Republic of China.

Under Action 14, countries have committed to implement a minimum standard to strengthen the effectiveness and efficiency of the mutual agreement procedure (MAP). The MAP is included in Article 25 of the OECD Model Tax Convention and commits countries to endeavour to resolve disputes related to the interpretation and application of tax treaties. The Action 14 Minimum Standard has been translated into specific terms of reference and a methodology for the peer review and monitoring process. The peer review process is conducted in two stages. Stage 1 assesses countries against the terms of reference of the minimum standard according to an agreed schedule of review. Stage 2 focuses on monitoring the follow-up of any recommendations resulting from jurisdictions' stage 1 peer review report. This report reflects the outcome of the stage 2 peer monitoring of the implementation of the Action 14 Minimum Standard by Brazil.

Under Action 14, countries have committed to implement a minimum standard to strengthen the effectiveness and efficiency of the mutual agreement procedure (MAP). The MAP is included in Article 25 of the OECD Model Tax Convention and commits countries to endeavour to resolve disputes related to the interpretation and application of tax treaties. The Action 14 Minimum Standard has been translated into specific terms of reference and a methodology for the peer review and monitoring process. The peer review process is conducted in two stages. Stage 1 assesses countries against the terms of reference of the minimum standard according to an agreed schedule of review. Stage 2 focuses on monitoring the follow-up of any recommendations resulting from jurisdictions' stage 1 peer review report. This report reflects the outcome of the stage 2 peer monitoring of the implementation of the Action 14 Minimum Standard by Saudi Arabia.

Under Action 14, countries have committed to implement a minimum standard to strengthen the effectiveness and efficiency of the mutual agreement procedure (MAP). The MAP is included in Article 25 of the OECD Model Tax Convention and commits countries to endeavour to resolve disputes related to the interpretation and application of tax treaties. The Action 14 Minimum Standard has been translated into specific terms of reference and a methodology for the peer review and monitoring process. The peer review process is conducted in two stages. Stage 1 assesses countries against the terms of reference of the minimum standard according to an agreed schedule of review. Stage 2 focuses on monitoring the follow-up of any recommendations resulting from jurisdictions' stage 1 peer review report. This report reflects the outcome of the stage 2 peer monitoring of the implementation of the Action 14 Minimum Standard by Bulgaria.

Under Action 14, countries have committed to implement a minimum standard to strengthen the effectiveness and efficiency of the mutual agreement procedure (MAP). The MAP is included in Article 25 of the OECD Model Tax Convention and commits countries to endeavour to resolve disputes related to the interpretation and application of tax treaties. The Action 14 Minimum Standard has been translated into specific terms of reference and a methodology for the peer review and monitoring process. The peer review process is conducted in two stages. Stage 1 assesses countries against the terms of reference of the minimum standard according to an agreed schedule of review. Stage 2 focuses on monitoring the follow-up of any recommendations resulting from jurisdictions' stage 1 peer review report. This report reflects the outcome of the stage 2 peer monitoring of the implementation of the Action 14 Minimum Standard by Indonesia.

This report is the ninth edition of the OECD's Tax Administration Series. It provides internationally comparative data on aspects of tax systems and their administration in 59 advanced and emerging economies. The publication presents the results of the 2020 International Survey on Revenue Administration (ISORA), a multi-organisation international survey to collect national-level information and data on tax administration governed by four partner organisations: CIAT, the IMF, IOTA and the OECD. As with the previous survey round, the Asian Development Bank (ADB) also participated in ISORA 2020 along with the four partner organisations. The publication is structured around nine chapters that examine and comment on tax administration performance and trends up to the end of the 2019 fiscal year, and it includes a variety of examples supplied by tax administrations to highlight recent innovations and good practices. The publication also has two annexes containing all the ISORA 2020 data, which form the basis of the analysis in the report, as well as the details of the administrations that participated in this publication.