LoL has reopened refund token for the 2020 season. As you know, last season, riot games’ gave 1 return allowance, each season would be uploaded to all accounts. Since the maximum lol Refund Token is 3, you will not be entitled to a refund if you have 3.
Read more : LoL 10.4 Patch Notes
What you need to do is click on the very simple Riot Games player support link and show you your remaining refund token when you are log in.
LoL Refund Token
To look at your in-game check-in rights, you can see your refund rights by following the Store->Account -> purchase history steps.
There is no clear date for this, but you can take your refund and keep it in your account.
You can spend 1 of your LoL refund token and get at least one refund. If you have a question in mind, you can contact us in the comments section.