The new framework would mark a significant forward movement from the current practice of information exchange mostly on the basis of requests and only in the cases of suspected tax evasion or other financial crimes.
"We endorse the finalised global Common Reporting Standard for automatic exchange of tax information on a reciprocal basis which will provide a step-change in our ability to tackle and deter cross-border tax evasion. We will begin exchanging information automatically between each other and with other countries by 2017 or end-2018," said the G20 communique.
It would facilitate a "systematic and periodic transmission of bulk taxpayer information by the source country of income to the country of residence of the taxpayer concerning various categories of income or asset information"
India has been at the forefront in raising the issues concerning tax avoidance and automatic exchange of information with a view to curbing tax evasion.
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Minister of State for Finance Nirmala Sitharaman, RBI governor Raghuram Rajan and Finance Secretary Arvind Mayaram are representing India at the two day meeting here.
"We support further coordination and collaboration by our tax authorities on their compliance activities on entities and individuals involved in cross-border tax arrangements," the communique added.
It further said that the G20 leaders are strongly committed to a global response to cross-border tax avoidance and evasion so that the tax system supports growth-enhancing fiscal strategies and economic resilience.
The development assumes significance in case of India, as it has been facing difficulties in getting information on cases of suspected tax evasion from other countries, specially Switzerland, which has been maintaining that such details can not be shared without specific proof of financial irregularities by the concerned Indian client of Swiss banks.
Later, Switzerland also committed to abide by this framework, while a few more countries have now expressed their interest in adopting the same and these include Mauritius -- another country with which India has been working on a revised bilateral treaty due to concerns of money laundering.