Am I reading this right?
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For winning participants who already received a gil refund due to the “Winning Lottery Number of 0” error

Once lottery data has been restored, some participants may discover that they had, in fact, won the lottery, despite already receiving a refund due to the lottery number error. Even if your deposit was refunded due to this system error, your ability to finalize the purchase of a won plot will remain unaffected.
　
In patch 6.2 we plan to implement an NPC by which you may voluntarily return the deposit you were accidentally refunded.
As these housing lottery issues have been significant and caused great stress and frustration in many players, we have no intention of performing a data rollback to forcibly rescind any refunded gil. We will make an announcement regarding the voluntary return of housing deposits once the NPC in question is ready to be implemented.
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So we should all go get our refunds now in case we won? Then we can have both house and money?