Accounting 2017 tax law change (known as "Tax Cuts and Jobs Act of 2017, TCJA) disallows NOL carryback and allows indefinite NOL carryforward (though with the limitation of 80% of taxable income in a given year). However, the recent outbreak of COVID-19 and resulting legislative responses incorporated in the Corona Aid, Relief, and Economic Security Act (also known as the CARES Act) introduce a significant change in the tax treatment of NOL (though temporary). 

1) What is the change? 

2) Which NOLs are affected by the provision in the CARES Act? 

3) Is there any (risk for the taxpayer trying to get benefits from the CARES Act regarding NOL? 

Perform your own research to find this concurrent change in the tax law regarding NOL