# Future dated agreements and private offers in AWS Marketplace
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With future dated agreements (FDA) in AWS Marketplace, you can subscribe to products where the product usage begins at a future date. You can manage when you buy a product *independently* from when you pay for, and when you use the product.

FDA helps buyers perform the following actions independently for transactions on AWS Marketplace:
+ Procure the product/book the deal by accepting the offer.
+ Begin product usage (license/entitlement activation).
+ Pay for a purchase (invoice generation).

FDA is supported on private offers, creating for software as a service (SaaS) products, for contract and contracts with consumption pricing (CCP), and with or without flexible payments.

When you use future dated agreements, keep the following dates in mind:

**Agreement sign date**  
The date when you accepted the offer and when the agreement was created. This date is when the agreement ID is created.

**Agreement start date**  
The date when your product usage begins. This is the future date or future start date. This is the date that your license/entitlement is activated.

**Agreement end date**  
The date when the agreement ends. The agreement and the license/entitlement expire on this date.

**Note**  
The contract term specified in the end user license agreement, order form, or other contract between you and seller will control if there's a conflict with the term specified in your AWS Marketplace invoice.