On January 25, 2018, Associate Attorney General Rachel Brand issued a memo on behalf of the U.S. Department of Justice (DOJ) prohibiting certain DOJ uses of federal agency guidance documents in affirmative civil enforcement (ACE) cases (the “Brand Memo”). ACE cases include lawsuits brought by the DOJ on behalf of the United States to recover money lost to fraud or other misconduct, or to impose penalties for violations of Federal health, safety, civil rights or environmental laws, for example, False Claims Act enforcement by the DOJ.

The “Brand …