Washington (CNN) The federal government and the court system have deemed variations of the phrase "go back to where you came from" when used by employees to be discriminatory, cases reviewed by CNN show.

While Trump is not the employer of these four congresswomen and therefore likely not subject to laws governing their work environment, the federal government has deemed the phrase he used to be discriminatory.

CNN reviewed several complaints filed with the US Equal Employment Opportunity Commission and found a few where similar language to what Trump used was considered evidence of discrimination in the workplace. The EEOC is a part of the federal government that enforces federal law to make sure employees are not discriminated against for their gender, sex, national origin or age.

In 2007, the commission sued a company on behalf of a Muslim car salesperson of Indian descent who was repeatedly called "Taliban" and told that he should "just go back where [he] came from." EEOC also alleged a manager told the defendant "[t]his is America . . . not the Islamic country where you come from."

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