| Value | Description |
|---|---|
| 1 | Apply Strong Customer Authentication (SCA) only where the card issuer or the acquirer is located within the EEA, using the 3D Secure version supported by the card issuer. Exemptions will be applied by PXP where possible (Default if not supplied) |
| 2 | Apply Strong Customer Authentication (SCA) on all payments for all card issuers regardless of their location, using 3D Secure 2.0 if supported. If SCA is mandated and 3D Secure 2.0 is not yet supported by the card issuer, then 3DS 1.0 will be used. Exemptions will be applied by PXP where possible |
| 3 | Apply Strong Customer Authentication (SCA) on all payments for all card issuers regardless of their location, using the 3D Secure version supported by the card issuer. Exemptions will be applied by PXP where possible |
| 4 | Do not apply Strong Customer Authentication (SCA) on all payments regardless of their location. Exemptions will be applied by PXP where possible |