With the Tax Cut and Jobs Act that was passed late last year, one of the many changes was the ability to use Net Operating losses generated by your business. Losses arising in tax years beginning after 12/31/17 are now limited to 80% of taxable income. So you can no longer completely wipe our your current year’s taxable income with a net operating loss from a previous year.
Additionally, the losses can no longer be carried back to any previous years. In the past there was a number of years in the past that you could amend to utilize a current year’s loss and a different number of years you could carry it forward. Now there are no carry backs and the carry forward is indefinite subject to the 80% limitation.