### Question
How does the law define State seat belt use rate?


### Answer
Under *23 U.S.C. § 157*, **State seat belt use rate** is defined as:

> the rate of use of seat belts in passenger motor vehicles in a State, as measured and submitted to the Secretary—


(A) for each of calendar years 1996 and 1997, by the State, as weighted by the Secretary to ensure national consistency in methods of measurement (as determined by the Secretary)

#### Citation:
  - *23 U.S.C. § 157*
  - Heading: **CHAPTER 1-FEDERAL-AID HIGHWAYS**

