Employees may update their direct deposit information, using Employee Self Service (ESS) through the "Montgomery County, Maryland Single Sign On" link below. Direct deposit is mandatory for all employees hired after February 1, 2001.To enroll for direct deposit, please read the instructions with this form and fill in the information requested. It's an easy, cost-effective method of depositing employees' payroll earnings and retirees' pensions electronically into their financial institution accounts. Employee Direct Deposit Banking Authorization Form.