119 A period of time in which eligible people or their dependents can enroll after the initial enrollment, typically due to an event such as marriage, birth, adoption, etc. See the “Please refer to the “Prescription Drug List” and “Step Therapy Protocol Exceptions” sections in “Prescription Drug Benefit at a Home Delivery (Mail Order) Pharmacy” for the process to submit an exception request for Drugs not on the Prescription Drug List or that require Step Therapy.