# Visa Credit Card Rules & Regulations

_Last modified: 2023-10-04T01:48:44.301Z_

# Visa Rules and Policy

Learn more about Visa Rules as a consumer or merchant

- [Overview](#1)
- [File an inquiry](#2)

## Overview

Visa Inc. is committed to providing our partners and interested parties with greater insight into Visa’s operations.

As part of our effort, we are pleased to provide access to the latest edition of the Visa Core Rules and Visa Product and Service Rules, which govern the participation of our financial institution clients in the Visa system.

To protect cardholders and merchants and maintain the integrity of the Visa system, we have omitted proprietary and competitive information, as well as certain details from the rules relating to the security of the network.

Any regional or country-specific rules within the Visa Core Rules and Visa Product and Service Rules apply to transactions, Merchants, Issuers and Acquirers in their Region/Country and any rules marked with the name of a region(s) or country(ies) are applicable to financial institutions operating in that region(s) or country(ies) only.

If you have questions about Visa’s rules, please contact us at [\[email protected\]](/cdn-cgi/l/email-protection#d482bda7b586a1b8b1a794a2bda7b5fab7bbb9).

### Visa Core Rules and Visa Product and Service Rules

We believe in giving partners clear insight into the way that Visa runs our global business. Here are the latest editions of our rules to prove it.

- [Read the Visa Core Rules and Visa Product and Service Rules](/content/dam/VCOM/download/about-visa/visa-rules-public.pdf)

[Read the Merchant Data Standards Manual](/content/dam/VCOM/download/merchants/visa-merchant-data-standards-manual.pdf)

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## File an inquiry

### Report an in-store purchase issue

Use this online form to report a problem you had when trying to use your Visa card.

[Report a purchase issue](https://usa.visa.com/Forms/visa-rules.html)

### Inquire on a Visa rule

Make an inquiry regarding the Visa Core Rules and Visa Product and Service Rules.

[File a Visa rule inquiry](https://globalclient.visa.com/rule-inquiry)