Allow someone to send a transaction that they no longer wish to receive a refund.
Pros:
Allows a team to more creative things in the refund period. For example, an airdrop but not wanting to reward holders that will later refund the original.
Cons:
Would be annoying if you bought on secondary hoping to refund at mint price and then can't (although this can also happen if an NFT is refunded and owner then sells it again, but less likely to happen in this scenario)
Allow someone to send a transaction that they no longer wish to receive a refund.
Pros:
Cons: