(a) General. An operator must document any change to its program and the reasons for the change before implementing the change.
(b) Notification. An operator must notify the Department, in accordance with Section 255.18 of this Part, of any change to the program that may substantially affect the program's implementation or may significantly modify the program or schedule for carrying out the program elements. An operator must provide the notification within 30 days after adopting this type of change into its program.