(a) Allowances not used for compliance during a control period may be banked for use in subsequent control periods. Allowances may only be used for the control period for which they were allocated or subsequent control periods, and may only be used within the same region where they were originally allocated.(b) Allowances may be traded at any time during the control period.(1) Only authorized account representatives may trade allowances.(2) Notification of trades must occur within 30 days after the trade.(c) Allowance trades are prohibited prior to May 1, 2003.(d) Traded allowances held in compliance accounts must have originated from electric generating facilities in the same region.(e) Allowances may be held only in compliance accounts for use by EGFs located in the region in which the allowances were originally allocated or in broker accounts.