In September 1999, FIDIC introduced its new Suite of Contracts, which included a “new” Red, Yellow, Silver and Green forms of contract. The “new” Red Book was intended to replace the 1992 fourth edition of the Red Book, with the ambition that its use would cease with time. This ambition has not materialised and is unlikely to do so in the future. Despite the importance of the 1999 Forms, there has been very little published on the new concepts adopted in them and how they interact with the...