 In the U.S., warrants are issued by government entities such as the military and state and county governments for payroll to individuals and for accounts payable to vendors.Deposited warrants are routed to a collecting bank which processes them as collection items like maturing treasury bills and presents the warrants to the government entity's treasury department for payment each business day.In the UK, warrants are issued as payment by National Savings and Investments when a premium bond is chosen.