The legal question is: What law will apply if a whistleblower who is fired during the tax year for turning in their boss for an illegal IRS 179 write-offs during the tax year only for the law to change at year-end, making the write-off legal and being applied retroactively.Assume the US state you live in protects whistleblowers from unlawful discharge.You represent the whistleblower.Please provide your list of "Issues" with reference.