Mastercard 4834
Point-of-interaction error
The charge was processed incorrectly: charged twice, charged the wrong amount, or charged in the wrong currency. The evidence is the transaction record and the order record side by side. If it really was a double charge, refunding is the correct answer.
The evidence this code accepts
- 1
Whether two charges were taken for one order
Decides the code before anything else is read.
- 2
Both charges by date, amount and order number
The reader compares them line by line.
- 3
Amount authorised against amount charged
Covers the wrong-amount version of this code.
- 4
The currency shown at checkout
Covers the wrong-currency version.
- 5
Separate supply records for two orders
Two deliveries prove two orders.
Where sellers lose this one
- They claim two orders and produce one order number.
- It was a genuine double charge and they respond rather than refund.
Build the pack for Mastercard 4834
6 questions specific to this code, plus the order and the notice. No account. You see the assessment and what is missing before you pay anything.
USD 9.90 a pack when you get it. This prepares your evidence; the card network decides.
Rules checked 2026-09. Sources. Network rules change; if you find this page out of date, tell us and we will correct it.