In 2021, the president of the United States declared a federal disaster due to brushfires in the Southwest. Lisa lives in that area and lost her home in the fires. What choice does she have regarding when she can claim the loss on her tax return?

a. It may be claimed in 2020 or 2021.

b. It must be claimed in 2020 if the loss is greater than her Modified Adjusted Gross Income.

c. It may be claimed in 2022 if an election is filed with the 2021 return.

d. It must be claimed in 2020 if the return has not been filed by the date of the loss.