Top 5 Annual Enrollment Mistakes to Avoid Avoid these common issues during your annual enrollment period Why is this so important? The annual enrollment period is a busy time for management, HR staff, and employees alike. Making a mistake on any one of these annual enrollment matters can result in costly fines and penalties for non-compliance. GET YOUR GUIDE Privacy PolicyYour Work E-mail Your First Name Be sure to double check your e-mail address entered above. It's where we'll send the instructions on how to download your guide. Leave this field empty if you're human: