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Mastercard · code 4855

Goods or Services Not Provided

Mastercard's specific code for non-delivery.

Merchant win-rate
69%
Median $ won
$91
Network
Mastercard
What it means

Mastercard 4855 mirrors Visa 13.1. The customer says they paid and didn't receive. You win this with hard delivery proof — tracking, signature, and timestamps.

Required evidence

What you need to win

  • ▸Carrier tracking with proof of delivery
  • ▸Signed POD if available
  • ▸Address match between billing and shipping
  • ▸Customer's post-delivery activity (account login, second order, support contact)
Playbook

How to actually do it

  1. 01. Same as Visa 13.1 — tracking + POD + address match.
  2. 02. Post-delivery activity is the kill shot — show they used the product.
Common mistakes

Don't do this

  • ✗Submitting just a tracking number without the carrier's proof-of-delivery page.
  • ✗Not addressing the 'lost in transit' or 'porch piracy' angle proactively.
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