Justice Manual § 4-6.300

This area includes all affirmative litigation assigned to the Branch in which the United States or an agency or official of the United States initiates a legal action to enforce compliance with federal statutory and regulatory programs, including, for example, actions to enforce administrative subpoenas, suits by the Department of Labor to enforce the Employee Retirement Income Security Act, the Occupational Health and Safety Act, the Migrant and Seasonal Agricultural Worker Protection Act, the Federal Coal Mine Health and Safety Act, and the Labor Management Reporting and Disclosure Act, enforcement actions brought on behalf of the National Highway Traffic Safety Administration, affirmative Department of Agriculture litigation, suits on behalf of the Department of Housing and Urban Development to enjoin violations of the Interstate Land Sales Full Disclosure Act, and suits to enjoin state and local interference with federal functions.