### Question
How is the term years of service defined?


### Answer
The term **years of service** is defined in *45 U.S.C. § 231* as the following:

> the number of years an individual as an employee shall have rendered service to one or more employers for compensation or received remuneration for time lost, and shall be computed in accordance with the provisions of section 231b(i) of this title. 

#### Citation:
  - *45 U.S.C. § 231*
  - Heading: **CHAPTER 9-RETIREMENT OF RAILROAD EMPLOYEES > SUBCHAPTER IV-RAILROAD RETIREMENT ACT OF 1974**

