"Please remember that after the drafting starts, your pre-selection list becomes locked and you will not be able to make any changes to it.
Please Note: Once you lock in the pre-selection order, you will only be able to sort the pre-selection list via the 'Name' tab on the Drafting page. Although the pre-selection order is locked in, you will not be able to view this on the Drafting page. We are currently looking into fixing this issue."
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Just making sure everyone knows about the above.
EDIT: Scratch that, looks as though you can make changes to it (See migs post in the LU2 thread)