FullTime and Permanent Parttime employees can enroll in the 457 Deferred. Participants in the Deferred Compensation Plan who separated from County service are requested to submit a Distribution Election form.Welcome. MissionSquare Retirement is pleased that the City of Oakland has selected us as the sole provider for your 457(b) Deferred Compensation Plans. Your local Benefits Office is a resource for answers to questions about your benefits and for benefits publications and forms. City of Oakland 457 Deferred Compensation Plan. The CalPERS 457 Plan provides employees a lowcost, convenient way to save for retirement through payroll deductions. This plan allows eligible employees to: Set aside money towards their retirement. The amount reported with code DD is not taxable. EE-Designated Roth contributions under a governmental section.