Amendment No. 1 – Changes to Article I & III (Eff. 4-1-09)
Amendment No. 2 – Change in Definition of Employee (Eff. 7-1-17)
Amendment No. 3 – Change for Beneficiary Designation (Eff, 2-19-19)
Amendment No. 4 – Change in Limitations on Distributions (Eff, 1-01-20)