1.Enter the IATA/TID in the Add an IATA/TID to Blacklist field.
2.Click on 
Add.
3.Click on 
.
Note: There is no limit to the number of IATAs/TIDs you can add to the blacklist.
If you remove a blacklisted IATA/TID from the list, the change is effective immediately.
1.Select an IATA/TID from the list.
2.Click on 
Remove.
3.Click on 
.
How to Add an IATA/TID