“…Type II labels are based on self-declaration of producers, importers, distributors or retailers, while those of Type III provide quantitative environmental data on the product as the result of an independent evaluation (Horne, 2009). Voluntary tools and the use of labels derived from voluntary tools were already considered in the early 1990, as a potentially effective policy tool to allow important results to be achieved such as the acquisition of new market shares or increased market shares through the differentiation of products based on their sustainability attributes (Boer, 2003;Orsato, 2009), but without overloading companies with excessive liens and encumbrances (Blanco et al, 2009;Darnall and Sides, 2008;Gusmerotti et al, 2012;Khanna and Damon, 1999). In the last few years they have been increasingly adopted worldwide to communicate and demonstrate the sustainability of the production processes, in a more or less effective and truthful manner !…”