TRIALS NewQ-138(f)Tether type kill switches are recommended. Mandatory beginning in 2019.CROSS COUNTRY / HARE SCRAMBLES ChangeQ-71(a) Q-271(a)“starts must be dead engine starts” now reads The type of start will be determined by the Referee. ChangeQ-266(c)Now reads A technical inspection must be carried out which includes a helmet check. Where possible a sound test will be carried out. The decision to do a sound test, and the number of machines and method of selecting them is at Referee’s discretion.ICE RACING DeleteR-4(e)(iv)“and curved toward the front of the machine”.SPORT CODE AND ALL DISCIPLINESAPPROVED HELMETS ChangeECE is modified to read 22-05 “P” Only.