Many on social media have been pointing to a federal guidance from the U.S. Equal Employment Opportunity Commission (EEOC) that identifies the phrase "Go back to where you came from" as language that could violate anti-discrimination laws in the wake of recent attacks by President TrumpDonald John TrumpDemocrats ask if they have reason to worry about UK result Trump scramble to rack up accomplishments gives conservatives heartburn Seven years after Sandy Hook, the politics of guns has changed MORE targeting four lawmakers of color.

On its website, the federal agency, which enforces the government's employment discrimination laws, states that “ethnic slurs and other verbal or physical conduct because of nationality are illegal if they are severe or pervasive and create an intimidating, hostile or offensive working environment, interfere with work performance, or negatively affect job opportunities.” 

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"Examples of potentially unlawful conduct include insults, taunting, or ethnic epithets, such as making fun of a person's foreign accent or comments like, 'Go back to where you came from,' whether made by supervisors or by co-workers,” it adds.

The phrase is similar to one Trump has drawn harsh criticism for making in a tweet over the weekend, in which he told four minority congresswomen – Democratic Reps. Alexandria Ocasio-CortezAlexandria Ocasio-CortezDemocrats ask if they have reason to worry about UK result Sanders, Ocasio-Cortez to hold campaign rallies in Los Angeles, Las Vegas Overwhelming majority say social media companies have too much influence: poll MORE (N.Y.), Rashida TlaibRashida Harbi TlaibIlhan Omar responds to 'Conservative Squad': 'Imitation is the sincerest form of flattery' House passes bill that would give legal status to thousands of undocumented farmworkers Biden narrowly ahead in Iowa as Sanders surges, Warren drops: poll MORE (Mich.), Ayanna PressleyAyanna PressleyIlhan Omar responds to 'Conservative Squad': 'Imitation is the sincerest form of flattery' Sanders, Omar to hit campaign trail in New Hampshire Booker unveils legislation for federal bill to ban discrimination against natural hair MORE (Mass.) and Ilhan OmarIlhan OmarIlhan Omar responds to 'Conservative Squad': 'Imitation is the sincerest form of flattery' Biden narrowly ahead in Iowa as Sanders surges, Warren drops: poll Sanders, Omar to hit campaign trail in New Hampshire MORE (Minn.) — to “go back” to their home countries.

Ocasio-Cortez, Tlaib and Pressley were born in the U.S. Omar is a naturalized citizen.

In the wake of his comments, a number of Twitter users, including George ConwayGeorge Thomas ConwayGrocery store behind viral reusable bag at impeachment hearing offers 'free briefcase' promotion The Hill's 12:30 Report — Presented by UANI — GOP, Democrats square off at final impeachment hearing GOP counsel raises eyebrows with shopping bag at impeachment hearing MORE, the husband of White House counselor Kellyanne ConwayKellyanne Elizabeth ConwayMLB removing marijuana from list of banned substances Grocery store behind viral reusable bag at impeachment hearing offers 'free briefcase' promotion Watchdog report finds FBI not motivated by political bias in Trump probe MORE, have been surfacing the federal guidance.

Earlier this week, the House voted to approve a resolution condemning Trump's tweets targeting the minority congresswomen as racist. Four Republicans broke party ranks to join all Democrats in passing the measure.