2006 onwards
Working Group for the Preparation of Principles of International Commercial Contracts (3rd)
UNIDROIT 2006 - Study L - Misc. 26
UNIDROIT 2007 - Study L - Doc. 101
UNIDROIT 2007 - Study L - Doc. 102
UNIDROIT 2007 - Study L - Doc. 103
UNIDROIT 2007 - Study L - Doc. 104
UNIDROIT 2007 - Study L - Misc.27
UNIDROIT 2008 - Study L - Doc. 106
UNIDROIT 2008 - Study L - Doc. 107
UNIDROIT 2008 - Study L - Doc. 108
This page will be updated and augmented as UNIDROIT documents relating to this project are issued .
(First session, Rome, 29 May - 1 June 2006)
UNIDROIT 2006 - Study L - Doc. 99
Working Group for the Preparation of Principles of International Commercial Contracts (3rd)
Principles of International Commercial Contracts: I: Promoting and Monitoring Use in Practice; II: Preparation of a Third Edition - March 2006
Summary Records of the 1st session (Rome, 29 May - 1 June 2006) - October 2006
(Second session, Rome, 4-8 June 2007)
UNIDROIT 2007 - Study L - Doc. 100
Working Group for the Preparation of Principles of International Commercial Contracts (3rd)
POSITION PAPER ON UNWINDING OF FAILED CONTRACTS by Professor Reinhard Zimmermann, Director at the Max-Planck-Institut für ausländisches und internationales Privatrecht, Hamburg - April 2007
and UNIDROIT 2007 - Study L - Doc. 101 Add.
POSITION PAPER ON ILLEGALITY and ADDENDUM by Professor Michael Furmston, Emeritus at the University of Bristol - April and June 2007 
POSITION PAPER ON PLURALITY OF OBLIGORS AND/OR OBLIGEES by Professor Marcel Fontaine, Emeritus at the Catholic University of Louvain Law School - April 2007

POSITION PAPER ON CONDITIONS by Professor Bénédicte Fauvarque-Cosson, Université Panthéon-Assas Paris II - May 2007
TERMINATION OF LONG TERM CONTRACTS FOR JUST CAUSE by François Dessemontet, Observer for the Swiss Arbitration Association - January 2007
Summary Records of the 2nd session of the Working Group (4 - 8 June 2007) (prepared by the Secretariat of UNIDROIT) - November 2007
(Third session, Rome, 26-29 May 2008)
UNIDROIT 20078 - Study L - Doc. 105
DRAFT CHAPTER ON UNWINDING OF FAILED CONTRACTS by Professor Reinhard Zimmermann, Director at the Max-Planck-Institut für ausländisches und internationales Privatrecht, Hamburg - April 2008
DRAFT CHAPTER ON ILLEGALITY. Black letter rules prepared by Professors M.J. Bonell, B. Fauvarque-Cosson, M. Fontaine, M. Furmston, R. Goode and R. Zimmerman. Comments prepared by Professor M. Furmston - April 2008 
DRAFT CHAPTER ON PLURALITY OF OBLIGORS AND/OR OBLIGEES by Professor Marcel Fontaine, Emeritus at the Catholic University of Louvain Law School - April 2008

DRAFT CHAPTER ON CONDITIONAL OBLIGATIONS by Professor Bénédicte Fauvarque-Cosson, Université Panthéon-Assas Paris II - April 2008