### Question
How is the term subsidy amount defined?


### Answer
The term **subsidy amount** is defined in *23 U.S.C. § 601* as the following:

> the amount of budget authority sufficient to cover the estimated long-term cost to the Federal Government of a Federal credit instrument—


(A) calculated on a net present value basis

#### Citation:
  - *23 U.S.C. § 601*
  - Heading: **CHAPTER 6-INFRASTRUCTURE FINANCE**

