Start, change, or stop contributions
In most cases, you’ll use your agency’s or service’s electronic payroll system to start, change, or stop your TSP contributions.
I was just hired. Am I already contributing?
If you were hired or rehired on or after October 1, 2020, you were automatically enrolled in the TSP at 5% of your salary. You are getting the full match from your agency or service. If you decrease your employee contribution amount below 5%, you will not receive the full amount of agency money. If you stop making regular employee contributions, your matching contributions will also stop.