The ID-1 format specifies a size of 85.60 × 53.98 mm (​3 3⁄8 in × ​2 1⁄8 in) and rounded corners with a radius of 2.88–3.48 mm. It is commonly used for payment cards (ATM cards, credit cards, debit cards, etc.). Today it is also used for driving licences in many countries. This format is also used for personal identity cards in some countries, automated fare collection system cards for public transport, in retail loyalty cards, and it is one fairly common format for business cards.[citation needed]. Both the recently issued Irish and much older U.S. passport cards, crew member certificates (particularly for aircrew), as well as most national identity cards in the European Economic Area also use the ID-1 format.

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