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Requirements for Strong Customer Authentication Support in the EU Region {#cp-auth-sca-requirements}
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Your POS system must meet these requirements to ensure PSD2 compliance and support card-present transactions with SCA.

* Supports these POS system capabilities:
  * Contact or contactless EMV transactions
  * Online PIN transactions (where applicable)
  * Repeated transactions with encrypted PIN
* Supports these rest API fields and values to trigger repeated transactions with PIN:
  * pointOfSaleInformation.emv.isRepeat = `true`
  * pointOfSaleInformation.encryptedKeySerialNumber = `<encrypted KSN value>`
  * pointOfSaleInformation.encryptedPin = `<encrypted PIN block>`
  * pointOfSaleInformation.pinBlockEncodingFormat = `encrypted PIN block format`
* Supports these soft-decline authorization response codes:
  * `1A`
  * `65`
  * `70`
    {#cp-auth-sca-requirements_ul_xvh_vc3_b3c}  
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