I already filed my 2020, and had unemployment income, how do we get the tax break signed into law after we already filed?

[SweetieJean]

You don't need to do anything for Federal.  State is still unknown, though.

$10,200 unemployment tax break: IRS to automatically process refunds (cnbc.com)

[DoninGA]

The IRS has issued a statement for those who have already filed their tax returns including unemployment compensation - https://www.irs.gov/newsroom/irs-statement-american-rescue-plan-act-of-2021

 For those who received unemployment benefits last year and have already filed their 2020 tax return, the IRS emphasizes they should not file an amended return at this time, until the IRS issues additional guidance.