ISO 18245

ISO 18245 is an ISO standard concerning the assignment of Merchant Category Codes (MCC) in retail financial services.

These are used to control usage of corporate credit cards. MCCs are assigned by merchant type (e.g. one for hotels, one for office supply stores, etc.), with each merchant being assigned an MCC by the bank. Corporations can then control which MCCs their employees may use their corporate cards at, and this is enforced through the authorisation system.

They are 4 digits in length. For example, MCC 5967 represents 'Inbound telemarketing merchants'.

New MCCs can be applied for through TC68, using this form. They are generally reserved for merchant categories having at least $10 million annual revenue.

External links

List of International Organization for Standardization standards, 18000-19999

This is a list of published International Organization for Standardization (ISO) standards and other deliverables. For a complete and up-to-date list of all the ISO standards, see the ISO catalogue.The standards are protected by copyright and most of them must be purchased. However, about 300 of the standards produced by ISO and IEC's Joint Technical Committee 1 (JTC1) have been made freely and publicly available.

Merchant category code

A Merchant Category Code (MCC) is a four-digit number listed in ISO 18245 for retail financial services. MCC is used to classify the business by the type of goods or services it provides. MCCs are assigned by merchant type (e.g. one for hotels, one for office supply stores, etc.) or by merchant name (e.g. 3000 for United Airlines).

An MCC is assigned to a merchant by the card company when the business first starts accepting cards as a form of payment.

The code reflects the primary category in which the merchant does business and may be used:

to determine the interchange fee paid by the merchant, with riskier lines of business paying higher fees.

by credit card companies to offer cash back rewards or reward points, for spending in specific categories.

by card networks to define rules and restrictions for card transactions (for example, Automated Fuel Dispensers (MCC 5542) have specific rules for authorization and clearing messages).

in the United States, to determine whether a payment is primarily for “services”, which needs to be reported by the payor to the Internal Revenue Service for tax purposes, or for “merchandise”, which does not.

Registration authority

Registration authorities exist for many standards organizations, such as ANNA (Association of National Numbering Agencies for ISIN), the Object Management Group, W3C, IEEE and others. In general, registration authorities all perform a similar function, in promoting the use of a particular standard through facilitating its use. This may be by applying the standard, where appropriate, or by verifying that a particular application satisfies the standard's tenants. Maintenance agencies, in contrast, may change an element in a standard based on set rules – such as the creation or change of a currency code when a currency is created or revalued (i.e. TRL to TRY for Turkish lira). The Object Management Group has an additional concept of certified provider, which is deemed an entity permitted to perform some functions on behalf of the registration authority, under specific processes and procedures documented within the standard for such a role.

An ISO registration authority (RAs) is not authorized to update standards but provides a registration function to facilitate implementation of an International Standard (e.g. ISBN number for books). Frequently, facilitating the implementation of an ISO standard’s requirements is best suited, by its nature, to one entity, an RA. This, de facto, creates a monopoly situation and this is why care needs to be taken with respect to the functions carried out and the fees charged to avoid an abuse of such a situation. In most cases, there is a formal legal contract in place between the standards body, such as the ISO General Secretariat, and the selected registration authority.

ISO registration authorities differ from a maintenance agency. Maintenance agencies are authorized to update particular elements in an International Standard and as a matter of policy, the secretariats of MAs are assigned to bodies forming part of the ISO system (member bodies or organizations to which a member body delegates certain tasks in its country). The membership of MAs and their operating procedures are subject to approval by the Technical Management Board.

While registration authorities for a particular standard typically do not change, the position is not formally guaranteed and is subject to review and reassignment to a different firm or organization. In some cases, the concept of a registration authority may not exist for a standard at all.

By further example, the equivalent registration authority organization for Internet standards is the Internet Assigned Numbers Authority.

ISO standards by standard number
1–9999
10000–19999
20000+

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