4.9 CVV2 Indicators

4.9.1 CVV2 Presence Type Indicator

If the CVV2 field has 6 characters, then the first character is the CVV2 Presence Type indicator.

This has the following values:

CVV2 Presence Type indicator	Description	Comment
0	CVV2 value not provided	Nothing to validate.
1	CVV2 present	CVV2 will be present in positions 4 to 6 inclusive in the ‘CVV2’ field. If you have chosen to validate CVV2 yourself, then check the CVV2.
2	CVV2 value on card but not legible	Nothing to validate. You may want to consider declining the transaction if you expect CVV2 to be present on the card.
3	Dynamic CVV2 present	You should never receive this (only for issuers that subscribe to CVV2 fallback service from Visa)
9	No CVV2 value on card	Nothing to validate. You may want to consider declining the transaction if you expect CVV2 to be present on the card.

4.9.2 CVV2 Response Type Indicator

If the CVV2 field has 6 characters, then the second character is the CVV2 Response Type indicator.

This has the following values:

CVV2 Response Type indicator	Description	Comment
0	Visa do not expect field 44.9 result of CVV2 validation	Ignore – Thredd will handle this
1	Visa expect field 44.9 result of CVV2 validation	Ignore – Thredd will handle this