Yes. A redeemable can be edited after it has been delivered. The original Qualification Criteria and/or Line Item Selector attached to redeemable can be changed and will be checked for qualification server-side at the time of redeeming.
Expiry changes will not be retroactive as the system must honor the expiry of the redeemable as it was set at the time the guest received it. The same is true of adding location restrictions.
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