cvan/zamboni — comment on commit 943a0a2282dd2ab4e77b4bb2a9ef36911e4ccb47
File: apps/devhub/templates/devhub/payments/refunds.html line 80
By andymckay:

Because transaction have to have the IPN come through before we can do a refund. It shouldn't be possible for anything not to have a transaction_at this point.