Building an international tax system that is transparent, efficient and fair, will serve our economies, our governments and our citizens, said OECD Secretary-General at the G20 summit in St. Petersburg.

OECD Secretary-General Gurría today presented to G20 Leaders ground-breaking proposals to tackle tax evasion and avoidance by both companies and individuals. The proposals establish automatic exchange of information for tax purposes as the new international standard for tax co-operation and set out the Action Plan on Base Erosion and Profit Shifting (BEPS), which was first presented to G20 Finance Ministers in Moscow in July 2013.

Over 300 senior tax officials from more than 100 jurisdictions and international organisations met in Paris on 26-27 September 2013 during the 18th Annual Tax Treaty Meeting to discuss solutions to unintended double non-taxation caused by base erosion and profit shifting (BEPS).

Strong competition is an optimizer for our economies. First of all, it is the best catalyst to increase our productivity. This is because a strong competition framework generates the right incentives to attract the most efficient firms into our markets.

Switzerland has become the 58th country to sign the Multilateral Convention on Mutual Administrative Assistance in Tax Matters during a ceremony at the OECD.

On 30 July 2013, the OECD invited comments from interested parties on the White paper on Transfer Pricing Documentation, released as part of its project on transfer pricing simplification. The OECD now publishes the comments received.

The OECD invites interested parties to send a short description of strategies that might be considered to result in the artificial avoidance of the permanent establishment status in relation to base erosion and profit shifting.

OECD Secretary-General Angel Gurría welcomed today Andorra’s steps to strengthen international tax co-operation, after it became the 60th signatory to the Multilateral Convention on Mutual Administrative Assistance in Tax Matters

OECD Secretary-General Angel Gurría welcomed today Hungary’s steps to strengthen international tax co-operation after it became the 61st signatory to the Multilateral Convention on Mutual Administrative Assistance in Tax Matters.

The OECD invites public comments on a discussion draft that includes proposed changes to the OECD Model Tax Convention dealing with the operation of ships and aircraft in international traffic.

The OECD Committee on Fiscal Affairs invites public comments on a discussion draft that includes various technical changes to be included in the next update to the OECD Model Tax Convention.

The OECD Committee on Fiscal Affairs invites public comments and input on questions related to the tax challenges of the digital economy. The Committee invites interested parties to send their comments in response to this request for input before 22 December 2013.

The timeline of the OECD/G20 BEPS Project is extremely ambitious, with the first outputs expected for September 2014 and the completion of the project by the end of 2015. Input from relevant stakeholders is essential as the BEPS Project moves forward to develop the measures envisaged in the BEPS Action Plan.

This case study describes the approach taken to reduce NOx emissions from combustion plants, the challenges encountered and the social, environmental and economic impacts. It concludes by discussing the wider lessons that are raised for other governments seeking to develop similar policy responses.

On 22 November 2013, a request for public comments on the tax challenges of the digital economy was launched. The OECD now publishes the comments received.

We need to fight distortions to competition that can arise from tax avoidance, just like we do from other forms of government intervention, such as regulation, said OECD Secretary-General.

On 15 November 2013, the OECD Committee on Fiscal Affairs (CFA) invited public comments on a discussion draft on changes to the provisions of the OECD Model Tax Convention dealing with the operation of ships and aircraft in international traffic. The OECD has now published the comments received on that discussion draft.

This paper sets out four possible approaches to addressing the concerns over the lack of data on transfer pricing comparables expressed by developing countries.

Public comments are invited on a discussion draft that includes the proposals produced with respect to Action 1 (Tax Challenges of the Digital Economy) of the BEPS Action Plan.

Over 330 senior tax officials from more than 110 jurisdictions and international organisations met in Paris on 26-28 March 2014 during the 3rd Annual Meeting of the Global Forum on Transfer Pricing.

On 24 March 2014, the OECD invited comments from interested parties on the Discussion Draft on Tax Challenges of the Digital Economy related to Action 1 of the BEPS Action Plan. The OECD now publishes the comments received.

The international community continues making progress toward greater cooperation to ensure effective information exchange in tax matters. The Global Forum on Transparency and Exchange of Information for Tax Purposes issued today 12 new reports that highlight action being taken by jurisdictions to implement the international standard for exchange of information on request.

Bank secrecy for tax purposes is coming to an end as countries and major financial centres commit to automatic exchange of information between jurisdictions.

Article about OECD work with international partners to eradicate tax evasion and tax avoidance, published in G7 Brussels Summit magazine, June 2014

Andorra has become the 48th signatory to an OECD Declaration that commits countries to end bank secrecy for tax purposes.

This paper reviews the use of tax preferences to achieve environmental policy objectives. Tax preferences involve using the tax system to adjust relative prices with a view to influencing producer or consumer behaviour in favour of goods or services that are considered to be environmentally beneficial.

The 34-member countries of the Organisation for Economic Co-operation and Development welcomed a Memorandum of Understanding between the OECD and Ukraine which will help Ukraine’s efforts to tackle corruption, strengthen its tax system and promote competitiveness.

OECD Secretary-General Angel Gurría welcomed today the Principality of Monaco’s commitment to strengthen international tax co-operation after it became the 84th jurisdiction participating in the Multilateral Convention on Mutual Administrative Assistance in Tax Matters.

This page shows a full table of comments received from the public on the Interim Draft Paper on Transfer Pricing Comparability Data and Developing Countries.

The new OECD/G20 standard on automatic exchange of information was endorsed today by all OECD and G20 countries as well as major financial centres participating in the annual meeting of the Global Forum on Transparency and Exchange of Information for Tax Purposes in Berlin. A status report on committed and not committed jurisdictions will be presented to G20 leaders during their annual summit in Brisbane, Australia on November 15-16.

The G20 needs to go structural, social, and green! With fiscal and monetary policy room nearly exhausted, structural reforms are the best choices, sometimes the only choice. The OECD battle cry in this regard has been unchanged since 2008: “go structural!”.

Switzerland has today become the 52nd jurisdiction to sign the Multilateral Competent Authority Agreement, which will allow it to go forward with plans to activate automatic exchange of financial account information in tax matters with other countries beginning in 2018.

On 10-11 December, officials from fourteen developing countries discussed ways to maximise benefits from their recent commitment to enhanced engagement in the BEPS Project.

Public comments are invited on the discussion draft on the use of profit splits in the context of global value chains, released as part of the work in relation to Action 10 of the BEPS Action Plan.

Public comments are invited on the discussion draft on the Transfer Pricing aspects of cross-border Commodity transactions released as part of the OECD Centre for Tax Policy's work on Action 10 of the Action Plan on Base Erosion and Profit Shifting.

On 16 December 2014, the OECD invited comments from interested parties on a discussion draft on the use of profit splits in the context of global value chains. This work relates to Action 10 of the BEPS Action Plan. The OECD is grateful to the commentators for their input, and now publishes the comments received.

On 16 December 2014, the OECD invited comments from interested parties on a discussion draft on the transfer pricing aspects of cross-border commodity transactions. This work relates to Action 10 of the BEPS Action Plan. The OECD is grateful to the commentators for their input, and now publishes the comments received.

The Global Forum on Transparency and Exchange of Information for Tax Purposes published today 9 new peer review reports, including a Phase 1 Supplementary Report for Switzerland, demonstrating continuing progress toward implementation of the international standard for exchange of information on request.

The OECD Secretary-General Gurría welcomed the announcement and congratulated the Commission for the work done. "The European Commission’s initiative is another major step to tackle corporate tax avoidance.

Taxes on wages have risen by about 1 percentage point for the average worker in OECD countries between 2010 and 2014 even though the majority of governments did not increase statutory income tax rates, according to a new OECD report.

In a boost for international efforts to strengthen co-operation against offshore tax evasion, seven new countries have joined the agreement to exchange information automatically under the OECD/G20 standard.

Proposals to increase environmentally related taxes are often challenged on competitiveness grounds. The concern is that value creation in certain sectors might decline domestically if a country introduces environmentally related taxes unilaterally. This paper provides evidence on the short-term competitiveness impacts of the German electricity tax introduced unilaterally in 1999.

In line with the international movement towards more transparency and exchange of information, Mauritius has taken a significant step to enhance its exchange of information legal framework and has signed the Multilateral Convention on Mutual Administrative Assistance in Tax Matters.

Governments are under-utilising taxation as a tool to curb the environmental consequences of energy use, foregoing revenue and weakening their attack on the principal source of greenhouse gas emissions responsible for climate change and air pollution, according to new OECD analysis.

The International Tax Dialogue (ITD) is organising its 6th global conference at the OECD. This year’s conference will focus on Tax and the Environment, an issue of growing importance and of direct relevance in the lead up to the COP21 meeting taking place later in the year. The ITD is a joint initiative of the EC, IDB, IMF, OECD, World Bank and CIAT.

Proposals to increase environmentally related taxes are often challenged on competitiveness grounds. The concern is that value creation in certain sectors might decline domestically if a country introduces environmentally related taxes unilaterally. This paper provides evidence on the short-term competitiveness impacts of the German electricity tax introduced unilaterally in 1999.

Concerns around potential losses of competitiveness as a result of unilateral action on carbon pricing are often central for policy makers contemplating the introduction of such instruments. This paper is a review of literature on ex post empirical evaluations of the impacts of carbon prices on indicators of competitiveness as employed in the literature, including employment, output or exports, at different levels of aggregation.

The OECD and the United Nations Development Programme (UNDP) have launched a new initiative to help developing countries bolster domestic revenues by strengthening their tax audit capacities.

Taxpayer education is the bridge linking tax administration and citizens and a key tool to transform tax culture. Covering innovative strategies in 28 countries, this publication offers ideas and inspiration for taxpayer education, literacy and outreach. The presentation ceremony, which took place in Bolivia, was attended by representatives of EuropeAid, EUROsociAL, Bolivia's National Tax Service and the OECD.

Healthcare costs are rising so fast in advanced economies that they will become unaffordable by mid-century without reforms, according to a new OECD report.