I think DD Guest Relations is a great place to do that transaction. I've found the CMs there to be particularly friendly and knowledable.
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fyi, must be a new 'unused' tix; no partially used old PHs are accepted.
I also agree that the BEST place to do this is DTD. The CM's there know their stuff (not always so for the parks LOL!)
Yes, it is a change. Since the MYW tickets are so heavily front loaded, it is almost never a good idea to turn in a partially used ticket for a credit now, anyway. The last few days of a 10 day ticket can be worth as little as $8 or $9 a day. Much better to just keep the MYW ticket and use the remaining days for park admission.That must be a change because I have turned in partially used PHs in the past....(snip).........