H-4 Employment Protection Act of 2019 This bill prohibits the Department of Homeland Security (DHS) from amending or repealing the rule entitled Allowing Certain H-4 Dependent Spouses to Apply for Employment Authorization , and requires DHS to apply the rule as in effect on May 26, 2015. The rule was implemented on May 26, 2015, and authorizes employment for H-4 visa spouses of H-1B visa nonimmigrants (specialty occupations) who are in the process of becoming lawful permanent residents or who have H-1B status under the American Competitiveness in the Twenty-first Century Act of 2000.