Is the TIAA/CREF contribution taxable?
Under both the Basic and the TDA Plans, Federal and State taxes are not withheld from your contributions or earnings until you (or a beneficiary) start receiving them as benefits. An exception to this rule occurs if the combined employee and CUA TIAA/CREF contribution equals more than $50,000 per year. If this is the case, then the total amount contributed to TIAA/CREF less $50,000 IS taxable income.