If you're in group 1, learn how the changes affect you and improve your lifetime pension. You are a member of group 1 if you are not a police officer or firefighter.
If you're in group 5, learn how the changes affect you and improve your lifetime pension. You are a member of group 5 if you work in public safety as either a police officer or firefighter.
If you're in group 2, learn how the changes affect you and improve your lifetime pension. You are a member of group 2 if you work in public safety as either a police officer or firefighter and are not a member of group 5.