Can I make a last minute contribution to the TSP to offset tax liability?

[vlsh3]

Federal TSP (Thrift savings plan)

[JohnW152]

No, that isn't allowed. 

However, you might be able to make a last-minute IRA contribution that serves the same purpose.

See the TurboTax blog 4 Last-Minute Ways to Reduce Your Taxes for more information. 

[Edited 3/19/2024 | 9:49 am PST]

@vlsh3