Which office is responsible for providing the AAI associated with funding for each line item?

The correct answer is the Contracting Office. This office plays a critical role in ensuring that contract actions are aligned with the appropriated funding. The Contracting Office is responsible for managing the acquisition process and ensuring that each line item in a contract is funded appropriately according to the available budget and authorization.

In the context of contracts, the AAI, or the Amount Authorized for Investment, refers to the amount that has been approved and allocated for specific items. The Contracting Office coordinates closely with budgetary requirements and ensures that funding aligns with contractual obligations, thus validating that contracts are not only legally compliant but also adequately funded.

While other offices such as the Budget Office may be involved in the overall management of funds and allocations, it is the Contracting Office that provides the necessary linkage between the funds and the specific contract line items. Hence, it is their responsibility to ensure that the funding associated with each item is clearly established and justified in preparation for contract execution.