Report someone falsely claiming dependents to the IRS by submitting Form 3949-A, Information Referral. Mail the completed form to the address provided, ensuring you include the name, address, and SSN of the person committing fraud. If they claimed your child, file your return by mail with proof of residency.
Someone you report to the IRS might find out, especially if the information leads to a significant investigation or award, but the IRS has strong confidentiality laws and will protect your identity to the fullest extent possible, particularly if you provide an award-eligible tip; for anonymous tips, they won't know it came from you, but you won't get a reward. Your identity is generally protected, but IRS investigations can reveal details, and if you claim an award (Form 211), your identity becomes known to the IRS.
Whistleblower claim for award
The office pays monetary awards to eligible individuals whose information is used by the IRS. The award amount generally is 15 to 30% of the proceeds collected and attributable to the whistleblower's information.
If so, you need to know the IRS is prohibited from telling you who claimed your dependent(s). Due to federal privacy laws, the IRS can only disclose the return information if the victim's name and SSN are listed as either the primary or secondary taxpayer on the fraudulent return.
If you are the custodial parent, and the non-custodial parent claims your child on their tax return, you can fill out IRS Form 8332, Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent.
Reporting someone to the IRS is a multistep process which requires careful planning. This is especially true if you decide to file a report confidentially as a whistleblower.
Special Agents have no such pressure.
With a 90% conviction rate to protect, they dont bring cases they might lose. They take as long as necessary to make sure theyll win. That “luxury of time” is paid for with your anxiety. The typical IRS criminal investigation takes 12 to 24 months to complete.
The IRS audits dependent claims to verify eligibility for valuable tax credits. Most audits are triggered when two people claim the same child, information is inconsistent, or you're claiming high-value refundable credits.
Spouse or domestic partner: Request a marriage certificate or a domestic partnership certificate, and a joint tax return as proof of an ongoing relationship. Natural-born children: Require a government-issued birth certificate to confirm the parent-child relationship.
Name, address and taxpayer identification number (if known) of the person or entity you're reporting. Description of the alleged noncompliance. This should include specific and credible allegations where the person or entity failed to comply with laws the IRS is authorized to administer, enforce or investigate.
Use Form 3949-A, Information Referral PDF to report alleged tax law violations by an individual, a business or both. You can report alleged tax law violations to the IRS by filling out Form 3949-A online.
The IRS "10k rule" primarily refers to the requirement for businesses and financial institutions to report cash transactions over $10,000 by filing Form 8300 (for businesses) or a Currency Transaction Report (CTR) (for banks), under the Bank Secrecy Act. This rule helps combat money laundering, tax evasion, and terrorist financing, requiring reporting for single transactions or related transactions totaling over $10,000 in cash within a year, with penalties for non-compliance.
The "20k rule" refers to the traditional IRS threshold for reporting income from payment apps and online marketplaces on Form 1099-K: over $20,000 in gross payments AND more than 200 transactions in a calendar year. While a law (the American Rescue Plan) temporarily lowered the threshold to $600, recent legislation, the One Big Beautiful Bill Act (OBBBA) (OBBBA), has reinstated the $20,000/200-transaction rule for tax years starting in 2025, providing relief for casual sellers and gig workers.
At a glance:
The gift giver pays any gift tax owed, not the receiver. You don't have to report gifts to the IRS unless the amount exceeds $19,000 in 2025. Any gifts exceeding $19,000 in a year must be reported and contribute to your lifetime exclusion amount.
Report your information with Form 3949-A, Information Referral. Do you have specific and credible information about tax law violations or other laws the IRS is authorized to administer, enforce or investigate? This includes: Specific and credible facts that may lead to collected proceeds.
You can tell your employer or a prescribed person anonymously but they may not be able to take the claim further if you have not provided all the information they need. You can give your name but request confidentiality - the person or body you tell should make every effort to protect your identity.
Because you are technically filing your taxes under penalty of perjury, everything you claim has to be true, or you can be charged with penalty of perjury. Failing to be honest by claiming a false dependent could result in 3 years of prison and fines up to $250,000.