457(b) DEFERRED COMPENSATION. Obtain the necessary forms for a deferred compensation agreement, including the employee's acknowledgement of the agreement and an IRS Form W-4P.Property Declaration (form FL-160) is a multipurpose form, which may be filed with the court as an attachment to a. Contributions to the plan are made pre-tax, through payroll, and may be placed in various investment vehicles. Employees may enroll or change their deferred. 4.6 Deferred Compensation. Employees may participate in the City's voluntary deferred compensation program (457 Plan). The Alameda County Arts Commission manages the County's Utility Box Art. Program in Castro Valley and unincorporated Alameda County.