When an employer fails to provide a W-2, a person can contact the IRS to report the employer and to help them file their tax returns here.
If minors or illegal immigrants are used illegally or treated illegally, a person can file a report with their state's labor department and also the federal Department of Labor here and the U.S. Immigrations and Customs Inforcement here for employers who hire illegal immigrants. Normally, these are criminal actions, not civil actions (except for the case where a minor or employee may file a civil complaint for any personal harm suffered due to an illegal action) so they are matters that need to be reported to legal authorities, such as the ones indicated.
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