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"supplementary card"

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Credit card lying on a flat surface representing a supplementary card linked to a primary account

Credit Card

What Is a Supplementary Card?

A financial card product issued against a primary card, with its own card number, expiration date, authority, limit, and PIN. Using a supplementary card is ideal for making purchases from more than one card while keeping all spending on a single statement.

How a business card works for corporate companies

Credit Card

How Does a Business Card Work?

A business card is a card corporate companies use to manage their financial transactions. The application is made in the company's name, and a virtual primary card that is not physically printed is created for the company. Additional cards are then issued to users.

Diagram illustrating ISO 8583 field F23, the card sequence number

ISO 8583

ISO 8583 Field Descriptions (F23)

F23 - CARD SEQUENCE NUMBER: Information used to distinguish cards sharing the same card number. For example, the Card Sequence Number is incremented by 1 when a card is renewed. In an authorization transaction, if the F22 value is '05x'...

Manibux prepaid card and allowance app for students and parents

Credit Card

The Era of Card Payments in Schools

Prepaid cards have changed how families manage children's spending. The Manibux allowance app now serves schools with its K12 application, letting parents load separate allowance and canteen balances for their children.

Family member credit card debt liability

Credit Card

Can I Be Held Responsible for a Family Member's Credit Card Debt?

With economic crises and the pandemic, the number of people struggling to pay has risen. Under the Turkish Civil Code, only the cardholder is responsible for their credit card debt, unless you are a guarantor or inheritance rules apply.

Illustration of the benefits credit cards provide to cardholders

Credit Card

What benefits do credit cards provide to cardholders?

Many people who appear as credit card victims in the news and on social media run into trouble because they think their credit limit is unlimited and forget it must eventually be repaid. A credit card is the best payment instrument, if you know how to use it.

Credit card application eligibility illustration

Credit Card

Who Can Legally Get a Credit Card?

People over 18 who have the capacity to discern, are not under legal restriction and whose creditworthiness is deemed suitable by the bank can get a credit card. Banks set different criteria for professions, students and homemakers.

Illustration of ISO 8583 message format

ISO 8583

ISO 8583 Field Descriptions (F44)

DE 44 - ADDITIONAL RESPONSE DATA is used to provide other supplementary data that may be needed in authorization, as a response to the authorization message. The Card Authentication Results Code is sent in position 9, and the CAVV Result Code is sent in position 15.