Why it happens
- The terminal could not read chips.
- The chip card was swiped instead of inserted.
Discover4866Fraud
The cardholder says a counterfeit card was used in person, and the chip was not used to process the sale.
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.