https://www.ncdor.gov/contact-us/tax-fraud-and-identity-theft/report-tax-fraud
Report Tax Fraud | NCDOR
If you suspect or know of an individual or company that is not complying with the tax laws, you may report this activity by completing the Tax Fraud Referral…
report tax fraud
https://tax.hawaii.gov/geninfo/ses_contact/
Report Tax Fraud/Cheats – Contact Special Enforcement Section (SES) | Department of Taxation
report tax fraud