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OECD recommendations about PSI principles: provide policy guidelines designed to improve access and increase use of public sector information through greater transparency, enhanced competition and more competitive pricing. Adopted by the OECD Council on in April 2008:

  1. Openness. Maximize the availability of public sector information for use and re-use - openness as the default rule.
  2. Access and transparent conditions for re-use. In principle all accessible information would be open to re-use by all.
  3. Asset lists. Strengthening awareness of what public sector information is available for access and re-use.
  4. Quality. Ensuring methodical practices to enhance data quality through cooperation of various government bodies
  5. Integrity. Protect information from unauthorized modification or from denial of authorized access
  6. New technologies. Storing technologies, open formats, multiple languages, technological obsolescence and long term preservation 
  7. Copyright. Intellectual property rights should be respected, exercising copyright in ways that facilitate re-use. Public sector information must be copyright-free.
  8. Pricing. PSI provided free of charge, or information pricing transparent as far as possible
  9. Competition. PSI open to all possible users and re-users on non-exclusive terms
  10. Transparent Redress mechanisms
  11. Facilitate public private partnerships
  12. International access and use. Support international co-operation for commercial re-use and non-commercial use
  13. Best practices. Encouraging the wide sharing of best practices and exchange of information on implementation, training, copyright and monitoring


In December 2009, the Open Government Directive to implement the Memorandum: the Directive set precise limits within which all governments should put into practice the principles of the Memorandum. Every public administrations administration was obliged to disseminate as open data all data pertaining to them. Always Also in 2009 the first version of was released.


  • code released as OpenSource (it's a modified Drupal version) used also for India → Open Government Platform (in January 2013 announced that it will move to CKAN software)


The Open Knowledge Foundation implemented "The Open Data Handbook" that introduces you to the legal, social and technical aspects of open data. It can be used by anyone but is especially useful for those working with government data. It discusses the why, what and how of open data – why to go open, what open is, and the how to do open.

Best practices

One of the best website websites presenting Open Data related to Statistics is the World Bank Data site.