I work for a school district in Pennsylvania. I have a retirement plan. I owe taxes this year. Can I open up a 401K now and reduce my tax liability?

[SteamTrain · Accepted solution]

No..not a 401k

But potentially a deductible IRA  in the next couple days.

But with a retirement plan at work, your ability to contribute to an IRA AND deduct it is limited by your  income:

https://www.irs.gov/retirement-plans/plan-participant-employee/2016-ira-contribution-and-deduction-l...

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many places may require they have a check..in their hands by Monday, and you would need to tell them that it was for 2016...you waited far too long to deal with this......and hasty actions at the last minute can led to tax grief.