# Card Operations
source: https://developer.mastercard.com/benefit-allocations-service/documentation/use-cases/card-operations/index.md

Card operations enable issuers to manage card-level benefit states. These operations replace a card or change benefit access without modifying its underlying segment or bundle assignments.

### Available Operations {#available-operations}

|                                                                      Operations                                                                       |                                             Description                                              |
|-------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------|
| [Replace Card](https://developer.mastercard.com/benefit-allocations-service/documentation/use-cases/card-operations/card_replacement/index.md)        | Move a cardholder's active benefits from an existing card to a replacement card.                     |
| [Freeze/Unfreeze Card](https://developer.mastercard.com/benefit-allocations-service/documentation/use-cases/card-operations/freeze_unfreeze/index.md) | Temporarily suspend or restore a cardholder's access to benefits without changing their assignments. |

### Replace {#replace}

|                                                                    Use Case                                                                    |         Scenario          |                     Description                      |
|------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------|------------------------------------------------------|
| [Card Replace](https://developer.mastercard.com/benefit-allocations-service/documentation/use-cases/card-operations/card_replacement/index.md) | Card replace same segment | Replace the segment of the old card with a new card. |

### Freeze and Unfreeze {#freeze-and-unfreeze}

|                                                                       Use Case                                                                        |   Scenario    |                 Description                  |
|-------------------------------------------------------------------------------------------------------------------------------------------------------|---------------|----------------------------------------------|
| [Card Freeze/Unfreeze](https://developer.mastercard.com/benefit-allocations-service/documentation/use-cases/card-operations/freeze_unfreeze/index.md) | Card freeze   | Freeze a card so its benefit cannot be used. |
| [Card Freeze/Unfreeze](https://developer.mastercard.com/benefit-allocations-service/documentation/use-cases/card-operations/freeze_unfreeze/index.md) | Card unfreeze | Unfreeze a card so its benefits can be used. |