An application must be completed along with the worksheet to determine the total catch-up amount. 457(b) Deferred Compensation Plan - tax-deferred, available to all State of Maryland employees, and also includes an after-tax Roth 457 option.You must complete and submit an Enrollment Agreement in order to participate in the. Plan. (1). The Board has the exclusive authority to manage the assets of the deferred compensation plan. Learn about MarylandSaves, its requirements, and which employers must participate in this statemandated retirement program.