Deductions & credits

Hal has a good answer here  ... you will need to at least compute the loss carryover each year even if you don't file a return:
<a href="https://ttlc.intuit.com/questions/2566411-do-i-have-to-use-a-capital-loss-carryforward-even-if-i-hav..." rel="nofollow" target="_blank">https://ttlc.intuit.com/questions/2566411-do-i-have-to-use-a-capital-loss-carryforward-even-if-i-hav...>