Why it happens
- A refund was entered as a sale by mistake.
- A payment was sent as a credit instead of a debit.
Visa12.2Processing error
The transaction was sent with the wrong transaction type, for example a refund processed as a charge, or a charge processed as a refund.
Summaries written by NoChurn from the networks’ public rules and processor documentation. Networks update their rules and deadlines depend on your processor: check its documentation before you respond.
Read https://www.nochurn.sh/llms.txt,
then follow https://www.nochurn.sh/docs/quickstart/
to add NoChurn to this app. Use a test key
(nc_test_…) until I say we go live.