### Question
How does the law define investment-grade rating?


### Answer
Under *49 U.S.C. § 22401*, **investment-grade rating** is defined as:

> a rating of BBB minus, Baa 3, bbb minus, BBB(low), or higher assigned by a rating agency

#### Citation:
  - *49 U.S.C. § 22401*
  - Heading: **SUBTITLE V-RAIL PROGRAMS > PART B-ASSISTANCE > CHAPTER 224-RAILROAD REHABILITATION AND IMPROVEMENT FINANCING**

