This document describes: athe preparatory steps to test experimental Type II, III, and IV fluids according to AMS1428; bthe recommendations for the preparation of samples for endurance time testing according to ARP5485; ca short description of wind tunnel testing; da short description of the recommended field spray test; ethe protocol to generate draft holdover time guidelines from endurance time data obtained from ARP5485; fthe protocol for inclusion of Type II, III, and IV fluids on the FAA and Transport Canada lists of fluids and the protocol for updating the lists of fluids; gthe role of the SAE G-12 Aircraft Deicing Fluids Committee; hthe role of the SAE G-12 Holdover Time Committee; and ithe process for the publication of Type II, III, and IV holdover time guidelines.