The New York State Office of Tax Enforcement (OTE) is a law enforcement entity of the New York State Department of Taxation and Finance (DTF) that conducts criminal and civil investigations, investigators employed in the office carry firearms and have police powers to make arrests and execute search warrants. The office is divided into two bureaus, the Petroleum, Alcohol and Tobacco Bureau (PATB) and the Revenue Crimes Bureau (RCB) that was recently renamed to a newly formed Special Investigations Unit (SIU).