Advantages
1. Simultaneously earn a salary and accumulate retirement income
2. Provide financial security for retirement
3. May provide inheritance for a beneficiary not eligible for a continuing benefit under FRS
4. Accumulate a lump sum
Disadvantages
1. Option must be selected in advance of termination
2. Sets maximum employment date
3. Reduces monthly pension benefit for the rest of your life if you would have continued to contribute under FRS