Emily's Manufacturing Plant Is Destroyed by Fire on the Afternoon

Essay

Emily's manufacturing plant is destroyed by fire on the afternoon of November 3, 2019. The adjusted basis is
$800,000. The insurance company offers a settlement of $700,000. After protracted negotiations, Emily receives
$825,000 on June 9, 2020. Emily is a fiscal year taxpayer and her tax year ends on June 30. What is the latest date that Emily can invest the proceeds in qualifying replacement property and elect to defer the gain under § 1033?