MMC Benefits Handbook
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You must register the qualified change in status event and make changes to your benefit plans by going to Colleague Connect (https://colleagueconnect.mmc.com) or contacting the Employee Service Center. You must make your change within 30 calendar days (60 calendar days of the qualified family status change for medical plan changes) of your covered family member's date of gaining coverage elsewhere due to a new job or becoming eligible for government insurance such as by joining the military or by being entitled to Medicare.