### Question
How does participation and vesting define year of service?


### Answer
Under *29 U.S.C. § 1054*, **year of service** is defined as:

> provided by section 1052(a)(3)(A) of this title.

#### Citation:
  - *29 U.S.C. § 1054*
  - Heading: **CHAPTER 18-EMPLOYEE RETIREMENT INCOME SECURITY PROGRAM > SUBCHAPTER I-PROTECTION OF EMPLOYEE BENEFIT RIGHTS > Subtitle B-Regulatory Provisions > part 2-participation and vesting**

