Since the original publication of the Green Bond Principles (GBP) in 2014, and the subsequent releases of the Social Bond Principles (SBP) and Sustainability Bond Guidelines (SBG), market participants have sought additional information on how to interpret this guidance especially for its practical application for transactions, as well as in the context of market developments and complementary initiatives. The responses provided by the GBP SBP Executive Committee have been made available online and have grown into an important body of knowledge and best practices that had been translated in 2018 in 19 languages