MCC settings

In the MCC settings section, you can manage Merchant Category Codes (MCC) to control transaction authorisations by categorising merchants according to the goods or services they provide. MCCs are four-digit codes used for this classification.

The MCC (Merchant Category Codes) are four-digit numbers used to categorise the transactions and to classify merchants and business by the type of good or services provided.

The Tuum system allows setting up two types of MCC groups:

• Whitelist - only authorisations with MCC groups listed in the whitelist are allowed; all others are declined.

• Blacklist - authorisations with MCC groups listed in the blacklist are declined.

MCC settings are optional. If not needed, you can skip this section and continue with the authorisation types.

Below, you will learn how to associate MCC settings with a card product. You can either create new MCC groups or choose from existing ones.

Create a new MCC group for the card product

To create a new MCC group for the card product, scroll down the New card product page to the MCC settings section, then follow these steps:

1. Click Create MCC group.

1. In the New MCC group modal, enter the following parameters, then click Submit:

Field name	Description
MCC group name *	Enter a group name. Note: Use only uppercase letters, numbers, and underscores. The name must start with a letter and cannot end with an underscore.
Control type *	Select whether the group is whitelisted or blacklisted.
MCC codes *	Select one or more relevant MCC codes.
Organisation unit *	Select the organisation unit from the list.

Set MCC groups for card product

To set MCC groups for the card product, scroll down the New card product page to the MCC settings section, then follow these steps:

1. Use the Allowed MCC groups dropdown to select the MCC groups that should be available.

2. Use the Default MCC groups dropdown to select one of the allowed MCC groups as the default.