The 457 Individual Retirement Account reduces the amount you pay for Federal Withholding taxes out of your paycheck. Participant in a Tax-Exempt Organization Eligible 457 Plan may make any number of elections or revoke any prior election under.Visit MyFloridaDeferredComp. The Florida Deferred Compensation Plan is available to help State employees bridge the savings gap. Tax Treatment: The employer gets a deduction when the award is paid to the executive, and the executive is taxed on receipt. This plan allows eligible employees to: Set aside money towards their retirement. To enroll in Miami-Dade County's 457 Deferred Compensation Plan, please download an enrollment form.