What is DK number in Sabre?

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Tags

1. #sabre
2. #trams
3. #characters
4. #alphanumeric
5. #customer
6. #prints
7. #interfaces
8. #reference
9. #tracking
10. #defined
11. #information
12. #invoice
13. #number
14. #choice
15. #ticket
16. #always
17. #natural