Where to enter loss from 2018 form 4797

[daleh507]

where do i enter loss carryover from 2018  form 4797, on 2021 form 1040

[dkh]

Do you mean you have an NOL on the 2018 tax return ?   A loss on Form4797 gets included in total income on Form 1040 but doesn't necessarily give you an NOL.