In 2021, the CISG Advisory Council celebrates its twentieth anniversary. For this unique occasion the current Council members decided to publish the second edition of The CISG Advisory Council Opinions. This book contains all original Opinions and Declarations with their corresponding annexes, to which four new Opinions have been added.

The CISG Advisory Council Opinions is designed to facilitate the work on and with the The United Nations Convention on Contract for the International Sale of Goods. It enables the reader to gain an overview of the CISG Advisory Council’s work of the entirety of the last twenty years. Furthermore, it contains an introductory chapter on the Advisory Council itself, its unique approach, and some historical background of the Opinions.