Retirement — Private Sector
About this plan
An ERISA 403(b) plan provides the full protections and requirements of ERISA for employees of tax-exempt organizations and nonprofits. Unlike non-ERISA plans, ERISA 403(b) plans require Form 5500 filing, a fidelity bond, and compliance with ERISA's fiduciary and reporting standards. NBS administers ERISA 403(b) plans with complete compliance support.
What's Included
For Employers
An ERISA 403(b) plan provides your employees with the strongest retirement plan protections available. NBS handles the additional filing, bonding, and fiduciary compliance requirements that come with ERISA coverage.
For Participants
Your organization's ERISA 403(b) plan provides enhanced protections for your retirement savings, including fiduciary oversight and government reporting. NBS ensures those protections are properly maintained.
IRS Contribution Limits
Annual limits set by the IRS for tax-advantaged retirement contributions.
Elective Deferral Limit
All eligible employees
Age 50+ Catch-Up Contribution
Employees age 50 and older
Available if your plan permits.
Super Catch-Up Contribution
Employees ages 60–63 (SECURE 2.0)
Available if your plan permits.
Maximum Annual Additions
All contributions combined (employer + employee)
15-Year Service Catch-Up
Long-tenured 403(b) employees at eligible organizations
Available if your plan permits. Limited to employees with 15+ years of service at the same qualified employer.
Age 50–59 & 64+
$32,500
Base $24,500 + catch-up $8,000
Ages 60–63 (SECURE 2.0)
$35,750
Base $24,500 + super catch-up $11,250
Combined totals assume your plan permits the applicable catch-up.
Catch-up contributions are plan-optional — your plan document governs which are available. Limits updated annually by the IRS. SECURE 2.0 super catch-up (ages 60–63) continues for 2026. View on IRS.gov →
NBS administers more than ERISA 403(b) Plans
Many employers use NBS across multiple benefit types — consolidating administration simplifies vendor management and gives your employees a consistent experience. You may also be interested in these related plans.
