Can I use my ticket on an earlier train?

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Tags

1. #fares
2. #advance
3. #refundable
4. #train
5. #prior
6. #administration
7. #departure
8. #reserved
9. #before
10. #payable
11. #first
12. #reservation
13. #change
14. #difference
15. #valid
16. #travel
17. #however
18. #shown
19. #ticket