Through our rules, we provide direction for business and operational efficiencies to our customers and other participants in our network. This module explains rules and standards, why we have them and the principles that they support.
Rules impacting processors and merchants
As a Mastercard processor or merchant, you are vital to our success. And that success is better assured if you have access to and understand the Mastercard rules and how they may apply to your business.
You also should be aware that Mastercard rules and other standards change from time to time. While we always strive to keep the documents on this website up to date, it's possible that they will not always be absolutely current in all regards. In the event of any discrepancy between the documents found at this website and those rules and standards Mastercard deems to be the official rules and standards, the official rules and standards will apply.
Feel free to download the official Mastercard Rules and other important documents below.
- Chargeback Guide
- Transaction Processing Rules
- Mastercard Rules
- Security Rules and Procedures – Merchant Edition
- Quick Reference Booklet - Merchant Edition
Customer compliance programs
We aim to preserve the integrity of the payment system, which is why we work proactively and collaboratively with our customers to grow business while minimizing risk. The following modules help explain our Global Compliance Programs and how they help us achieve this goal: