annual coordinated election period (ACEP) or annual election period
What is an annual coordinated election period?
Annual coordinated election period (ACEP) or annual election period refers to the period of time between October 15 and December 7 during which you can change your Medicare prescription drug coverage or your Medicare Advantage plan (including switching from Original Medicare to a Medicare Advantage plan). ACEP is also the period of time during which you can enroll in Medicare Part D, if you missed your Initial Enrollment Period.