Carnegie Supplemental Annuity Plan

Save more for your retirement with a 403(b) Supplemental Retirement Account (SRA) and meet your savings goals faster. You contribute a fixed dollar amount each pay period, up to the IRS limit. 

Carnegie does not match these contributions or contribute to this account.

  • Participants may make pretax contributions
  • Maximum employee elective contribution is $20,500 for 2022
  • Employee catch-up contribution (If age 50 or older by year end is $6,500)
  • Contributions are made via payroll deduction made semi- monthly


The following classifications are eligible to participate in the Carnegie Retirement Plan 403(b).

  • Regular Full-time Employees
  • Regular Part-time Employees working 20 hours or more weekly
  • Regular Part-time Employees working 20 hours or less weekly
  • Temporary Employees 
  • Postdoctoral and Predoctoral Associates
  • Postdoctoral and Predoctoral Research Associates
  • Postdoctoral Fellows

The following classifications are NOT eligible to participate in the Carnegie Retirement Plan 403(b).

  • Visiting Investigators
  • Visiting Scholars
  • Visiting Fellows
  • Visiting Researchers
  • Visiting Scientists
  • Students
  • Volunteers
  • Contractors
  • Interns

Eligible Compensation

You must receive earned compensation reportable on a W-2 and subject to federal, state, and FICA tax to be eligible to contribute to the 403(b) SRA.

Examples of compensation that may be contributed:

  • Base salary and wages

Examples of ineligible compensation:

  • Fellowship, scholarship, and stipends
  • After-tax payments
  • Long-term disability plan benefit payments
  • Worker’s Compensation

Your Contribution Limit

The Internal Revenue Code limits the total amount of contributions that may be made to all retirement plans you have across all employers. For calendar year 2022 the maximum employee elective contribution is $20,500. Employees age 50 or older may contribute up to an additional $6,500 for a total of $27,000.

How to Enroll or Make Changes Throughout the Year

  1. To set up an account go to:
  2. Select “Carnegie Institution of Washington TDA Plan
  3. Please use the Access Code 150341 which pre-populates in that field
  4. Complete the 403(b) Voluntary Savings Form and submit it to your Business Manager

Investment Options

Carnegie Institution for Science partners with TIAA for all retirement savings plan options.  You may invest your funds with TIAA (Teachers Insurance and Annuity Association). Contributions may be allocated among the approved investment funds offered.

Contact TIAA for these inquiries and services:

  • Questions/help choosing a fund
  • Account and income information
  • Brochures and booklets on services and financial planning
  • Change of address
  • Change your Personal Identification
  • Divorce, Qualified Domestic Relations Order
  • Forms for cash withdrawals, rollover, transfers, income options
  • Income and payment methods (lifetime annuity, cash out, interest)
  • Schedule individual counseling; register for workshops
  • Tax questions (withdrawal penalty, minimum distribution, federal withholding)
  • Verify or change beneficiary

Fund Selection

If you do not specify the particular funds in which you want to invest in, your contributions will be directed to the appropriate TIAA Retirement Fund.

If you would like to change your fund selection, you may do so by logging into TIAA directly at


It is important that you designate your primary and contingent beneficiaries to receive your assets in the event of your death.


All amounts held in your retirement savings account are tax-deferred. This means you pay no income taxes on your Retirement plan benefits until you receive payments from the plan.

TIAA Website

Visit this site at any time to open your account, select your investment funds, and name your beneficiary.

Retirement Plan Resources