How to use the Requirements and Toolkit. The Requirements and Toolkit are intended for different groups of users, as detailed in Table 0.1. Animal icons correspond to different users. Project proponents should also define project category and scale. Table 0.1 Validators/ Verifiers Gold Standard Secretariat and Technical Advisory Committee Project proponents DOE/AIE Type Scale Large/ Small* Micro** Programme of Activities CDM - JI - - VER