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  • Starting in January 2021, we’re making the process easier for participants. If you’re turning 50 or older and are eligible for catch-up, you’ll no longer need to make separate catch-up elections to your TSP account. To learn how to make these contributions next year, visit Catch-up contributions.

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Peak ThriftLine Call Times — Our highest call volume is on Monday and Tuesday mornings. If you want to minimize your wait time to speak to a Participant Services Representative, consider calling outside of those peak hours. Participant Service Representatives are available Monday through Friday, 7:00 a.m. to 9:00 p.m., eastern time.