FinCEN whistleblowing may pay 10% to 30% when sanctions top $1 million, but...
https://emilianoakpv703.wpsuo.com/how-do-you-report-withheld-sars-without-getting-fired
FinCEN whistleblowing may pay 10% to 30% when sanctions top $1 million, but rewards are not automatic. The process can take 2 to 5 years, so understand the rules, evidence standards, and wait before deciding whether to report.