Just received this from Samsung... I guess they figured everything out (for my case) and approved things.
Hello,
Thank you for being patient. We are happy to confirm that you have been fully approved for your Samsung Galaxy Buds and no further action is required at this time.
You'll receive further updates regarding your fulfillment status via email. You may also check for updates by entering your email address here:
https://promos.samsungpromotions.com/info/CheckStatus/
Please let us know if you have any questions or if there's anything else that we may assist you with.
Thank you,
Samsung Tier III Promotion Support