Deferred Compensation is a program that allows you to save and invest a portion of your salary today, for the purpose of augmenting your retirement income. 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. City of Oakland 457 Deferred Compensation Plan. The CalPERS 457 Plan provides employees a lowcost, convenient way to save for retirement through payroll deductions. Plans eligible under 457(b) allow employees of sponsoring organizations to defer income taxation on retirement savings into future years.