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"Additional Amounts"

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Illustration of a card payment approved for a partial amount

Merchant & POS

What Is Partial Authorization?

Partial Authorization lets an issuer approve part of a transaction instead of declining it when the balance or limit is insufficient. This post covers how it works in ISO 8583, whether it is mandatory, and why it matters for the business.

Diagram of a partial authorization where an issuer approves only part of the requested amount

Merchant & POS

What Are the Partial Authorization Requirements for an Acquirer Bank?

Partial authorization lets an issuer approve part of the requested amount when the card lacks the full balance, with the rest paid another way. This post covers the technical, receipt, clearing, reconciliation, merchant and certification requirements for acquirers.

Diagram showing the structure of the ISO 8583 F54 Additional Amounts field

ISO 8583

ISO 8583 Field Descriptions (F54)

F54 - ADDITIONAL AMOUNTS is the additional amount field used in transactions. It can take different values depending on the transaction, such as carrying account balance information for balance inquiries.

HCE mobile payment PIN strategies

HCE

What Are the PIN Strategies in HCE?

There are three types of PIN strategy in HCE (Host Card Emulation): No PIN, Card PIN and Wallet PIN or customer biometric data. Each balances user experience and security differently.

Illustration of the compliance process between merchant bank and issuer in card payments

Chargeback

What Is Compliance (Regulatory Compliance)?

Compliance means adherence to card scheme rules. Outside chargebacks, it is how a bank that loses money because card payment organization rules were broken recovers that amount from the party that caused the loss.

Illustration representing the advantages and disadvantages of credit cards

Credit Card

What Are the Advantages and Disadvantages of a Credit Card?

Credit cards can be a convenient way to manage income and expenses, but for those who don't know how to use them, they can become an expensive and risky product. Here are the key pros and cons to weigh before applying for one.

Shared ATM usage between different banks

ATM

What is a Shared ATM?

A shared ATM lets a customer of one bank use another bank's ATM for card or credit card transactions. Within customer limits, shared ATMs allow deposits, withdrawals, balance inquiries, and credit card debt inquiry/payment.

Illustration explaining the POS cashback feature

Merchant & POS

What is POS Cashback?

Cashback is a modern POS terminal service that allows cash to be withdrawn from the merchant's till while paying for goods and services. Although cashback is a feature specific to debit cards, you can also withdraw cash from an ATM...

Illustration of a Card Not Present (CNP) online payment transaction

Credit Card

What Is a CNP (Card Not Present) Transaction?

CNP refers to a transaction made through a website or a company's own app payment page, where the card is not read by any device and its details are entered manually. It is short for Card Not Present.

POS terminal and merchant turnover limit settings

Payment Systems

Can Terminal or Merchant Turnover Be Restricted?

Yes, you can restrict it by defining an upper limit at the terminal or merchant level. Institutions generally don't want to lose turnover, but caps may be applied for suspicious merchants or when agreed pricing falls below cost.

Chart of the growth in card spending in Turkey in the first quarter of 2022

Merchant & POS

Card Payments Up 85%

According to the third Card Spending Analysis by TOBB and Visa, average monthly card spending in Turkey in the first quarter of 2022 rose 85 percent year on year, driven by e-commerce, debit cards, and contactless payments.

Illustration representing the products and services KKB offers directly to its member institutions

Credit Card

What Products and Services Does KKB Offer Directly to Members?

KKB was established, under banking law, to enable the exchange of all kinds of information and documents among at least five banks, and it also shares credit information about customers. The Credit Bureau of Turkey also serves deposit banks, participation banks, financial institutions, and more.