Mastercard’s expansion in Dublin comes with a practical question for Irish shoppers and retailers: what would it take for a card payment to work when the network connection fails? IDA Ireland’s 8 October announcement links the opening of a second building at the company’s Leopardstown technology hub with its wider European payments programme. [1]

The development is relevant to Ireland’s role in payments technology, but an office opening and a payment capability available at a particular till are different milestones. The company’s new offline-payment requirements are a rollout plan, not confirmation that every Irish card or shop already supports them.

The timetable starts with new cards and terminals

Mastercard says newly issued European cards will support offline payments from February 2027. It says new and replacement terminals must support the capability by May 2027. The intended use is chip and PIN for essential purchases during outages. [2]

In a separate 8 October explanation, the company’s Europe president describes a transition over three to five years. [3] Read the initial requirements and the wider transition together: the first date is not a promise that all existing equipment will change at once.

For a cardholder, the useful question is when their own bank’s card will support the feature and what conditions will apply. For a retailer, it is which terminal and payment-provider arrangements will be needed. Ask for a specific implementation answer rather than relying on a general announcement.

Offline approval still has controls

The company describes storing spending limits on the card’s chip so a disconnected terminal can approve a transaction locally. It lists a limit of up to €200 per transaction, set in advance by the cardholder’s bank, with clearing after connectivity returns. [2]

That is a described system limit, not a guaranteed allowance available on every account. Bank settings and the actual card and terminal matter. Nor should a chip-and-PIN announcement be extended automatically to every phone-wallet or contactless situation; check the supported payment method.

An offline connection also raises a separate operational question: how will the shop power its equipment? Mastercard’s release gives an example of Latvian shops using local generators during a storm. [2] The example should not be read as evidence that a terminal can function without any power supply.

What Irish businesses can ask their provider

Put the rollout on the next routine conversation with the payment provider. Ask whether a current terminal is compatible, whether replacement is needed, how offline transactions would be controlled and reconciled, and what staff would be instructed to do during an outage.

Request written details of costs and conditions before making a purchasing decision. Keep the answers alongside the business’s existing continuity arrangements. A network policy announcement does not by itself settle a merchant’s contract or prove that a particular upgrade is necessary.

Sources were checked on 12 October 2026. The capability and timelines are Mastercard’s stated plans, not an independent test of an Irish shop’s equipment. The Press has no paid relationship with Mastercard for this article.