Mastercard 4870

Chip liability shift

Mastercard 4870 shifts counterfeit fraud liability at chip-capable terminals. It is a card-present code.

We do not cover this code

This code is for a card-present transaction at a chip terminal. It does not apply to online sales, and we have no evidence rules for it.

Reply to your processor directly with what it asks for. We would rather say that than sell you a document that cannot help.

Rules checked 2026-09. Sources. Network rules change; if you find this page out of date, tell us and we will correct it.