Age Weighted PLAN SIZE: Business with older, higher paid owners and younger employees. ELIGIBILITY: Must include employees who are at least 21 years old, have completed 2 years of service (at least 1,000 hours each year). Employer may set less restrictive eligibility standards. May exclude certain Union workers, nonresident aliens, nondiscriminatory classes of employees. VESTING: Vesting schedule available. Return to Investment Front Page