Human Resources staff are here to lead you through New Hire Enrollment and answer your questions. Craft a topnotch new employee welcome email with tips and examples to cover essential information for a smooth onboarding experience.ACERA will mail new members a Welcome Letter about 7 weeks after their start date that contains a link to complete our ACERA Welcome Form. This guide to welcome letters includes three templates designed to help you appropriately greet and prepare new hires to join your company. Below are new employee and health forms for you to review and fill out. Complete your ACERA Welcome Form (Mandatory). Every ACERA member must fill out the ACERA Welcome Form. HR administers labor relations, classification and compensation, employee benefits, and employment services programs. Time to welcome a new employee to the team? Check out our template for writing a new employee welcome letter from the CEO.