FinCEN whistleblowers may receive 10% to 30% of collected sanctions, but only...
https://emilianoakpv703.wpsuo.com/how-do-you-report-withheld-sars-without-getting-fired
FinCEN whistleblowers may receive 10% to 30% of collected sanctions, but only when sanctions exceed $1 million and other rules are met. Claims can take 2 to 5 years