Here only the most recent Commission reports are posted. Some earlier reports are available upon request from Commission's president. A complete source of all earlier reports are the IAU Transactions.

• 1999-2002 Triennial Report: (pdf)
  Published in Reports on Astronomy (2003), ed. H. Rickman (San Francisco: ASP), vol. 25A
  
  
• Report on the Business Meeting: (pdf) Sydney, July 16, 2003.
  Published in Transactions of the IAU, ed. O. Engvold (San Francisco: ASP), vol. 25B
  
  
• 2002-2005 Triennial Report: (pdf)
  To be published in Transactions of the IAU, ed. O. Engvold (Cambridge U. Press: UK), vol. 26A
  
  
• Report on the Business Meeting: (pdf) Prague, August 16, 2006.
  To be published in Transactions of the IAU, ed. K.A. van der Hucht (Cambridge U. Press: UK), vol. 26B