Can I change my TSP contribution online?

The easiest way to change the amount of your TSP contributions is by using the Government Retirement & Benefits (GRB) Platform. GRB has replaced the Employee Benefits and Information System (EBIS) and is accessed at the .

How do I change my federal employee contribution to TSP?

To change the amount of your employee contributions, use your agency’s electronic system or submit Form TSP-1, Election Form. you withdraw them. into the Roth balance5 of your TSP account and are taxed when you contribute them. You pay no federal income taxes on these contributions when you withdraw them.