• The IRS elective deferral limit, IRC section 402(g), is a limit placed on employee contributions. The elective deferral limit applies to the combined total of tax-deferred traditional contributions and Roth contributions. For members of the uniformed services, this includes all traditional and Roth contributions from taxable basic pay, incentive pay, special pay, and bonus pay. ▲Back to top
  • The IRS annual additions limit, IRC section 415(c), is an additional limit that the IRS imposes on the total amount of contributions made to an eligible retirement plan in a year. “All contributions” include employee contributions (tax-deferred, after-tax, and tax-exempt), Agency Automatic (1%) Contributions, and Agency Matching Contributions. The 415(c) limit, however, is applied separately to each employer plan in which you contribute. Participants with both uniformed service and civilian TSP accounts are considered to have one employer plan even though they have separate accounts. ▲Back to top
  • The IRS catch-up contribution limit, IRC section 414(v), is the maximum amount of catchup contributions that can be contributed in a given year by participants who are or will turn age 50 in the calendar year. This limit is separate from the elective deferral limit imposed on regular employee contributions and the IRC section 415(c) limit. ▲Back to top
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