OECD [to 16 April 2016]
http://www.oecd.org/newsroom/publicationsdocuments/bydate/
[We generally limit coverage to regional and global level initiatives, recognizing that a number of country-level announcements are added each week]

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14-April-2016
Concrete actions needed to advance global tax transparency, OECD says
The international community should call time on all remaining holdouts who have yet to implement internationally agreed tax transparency standards, OECD Secretary General Angel Gurría said in a new report to the G20.
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13-April-2016
Tax administrations meet on “Panama Papers”
A special project meeting of the Joint International Tax Shelter Information and Collaboration (JITSIC) Network took place at the OECD in Paris on Wednesday 13 April, bringing together senior tax administration officials from countries worldwide to discuss opportunities for obtaining data, co-operation and information-sharing in light of the “Panama Papers” revelations.
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12-April-2016
Development aid rises again in 2015, spending on refugees doubles
Development aid totalled USD 131.6 billion in 2015, representing a rise of 6.9% from 2014 in real terms as aid spent on refugees in host countries more than doubled in real terms to USD 12 billion. Stripping out funds spent on refugees, aid was still up 1.7% in real terms, according to official data collected by the OECD Development Assistance Committee (DAC).
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4-April-2016
Statement from OECD Secretary-General Angel Gurría on the “Panama Papers”
The “Panama Papers” revelations have shone the light on Panama’s culture and practice of secrecy. Panama is the last major holdout that continues to allow funds to be hidden offshore from tax and law enforcement authorities.