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Employer Retirement Plan Accounts

Personal-finance terms for 401(k), 403(b), 457, CODA, salary-reduction, safe-harbor, and solo retirement arrangements.

Employer Retirement Plan Accounts groups related personal finance terms inside Accounts and Contribution Rules. Personal-finance terms for 401(k), 403(b), 457, CODA, salary-reduction, safe-harbor, and solo retirement arrangements.

Use this subsection when the question is about household planning, retirement accounts, payments technology, or tax effects on finance decisions rather than a broad legal or product directory.

In this section

  • 401(k) and 403(b) Retirement Plans
    Employer retirement account terms for 401(k), 403(b), Roth, safe-harbor, and solo plan variants.
    • 401(k) Plan
      Employer-sponsored U.S. retirement plan combining payroll contributions, tax advantages, and often employer matching.
    • 403(b) Plan
      Retirement plan for public-school employees, ministers, and certain tax-exempt organizations, often compared with a 401(k) but built around a different eligible workforce.
    • Roth 401(k)
      401(k) contribution option funded with after-tax money, trading current tax relief for tax-free qualified withdrawals later.
    • Safe Harbor 401(k)
      401(k) design that uses required employer contributions to simplify key nondiscrimination compliance requirements.
    • Solo 401(k)
      401(k)-style retirement plan built for self-employed people and owner-only businesses.
  • 457, CODA, and Salary Reduction Arrangements
    Salary-reduction and deferred employer plan terms for 457 plans, CODAs, and payroll elections.
Revised on Monday, May 18, 2026