After you file

But wouldn't this indicate I could carryback 2018 losses?

 

Section 2303 of the Coronavirus Aid, Relief, and Economic Security Act (CARES Act), revised the provisions of the Tax Cuts and Jobs Act (TCJA), section 13302, for tax years 2018, 2019, and 2020. Taxpayers can carry back NOLs, including non-farm NOLs, arising from tax years beginning in 2018, 2019, and 2020 for 5 years. See section 172(b)(1)(D)(i).