Q. I left the Postal Service in February 2006 and took my annuity at 55 years and 10 months old. I just read that FERS employees could convert 50 percent of their sick leave to compute annuity, I had 180 hours of sick leave balance; can I still get credit for this or would I have had to reach a certain age, and/or time in service, before leaving to get credit for this time? A: No, you cannot get credit for that unused sick leave. The change in law allowing FERS employees to get credit for it was prospective only,…