You earn one year of vesting service when you work 1,000 hours or more in any calendar year and your employer is signatory to an agreement which requires contributions to the Plan on your behalf.
You can earn partial vesting service, based on your hours of Pension Credit. A maximum of one year of vesting service can be accrued in a calendar year.
After January 1, 2025, vesting service is based on the following criteria:
| Hours of Pension Credit | Years of Vesting Service |
| At least 250 but less than 500 Hours | 0.25 Years of Vesting Service |
| At least 500 but less than 750 Hours | 0.50 Years of Vesting Service |
| At least 750 but less than 1,000 Hours | 0.75 Years of Vesting Service |
| 1,000 Hours or more | 1.0 Years of Vesting Service |