Can the employer change their HSA contribution every year at enrollment? Admin March 01, 2021 15:56 Updated Yes, an employer can change the amount annually. Employers should communicate these contribution changes to their employees. Related articles If employees don't want to contribute to their HSA through payroll deduction, how can they contribute? What happens in the event of an employee death? Do I have to make changes during Annual Enrollment? I am attempting to enroll in benefits in Edison but cannot click the "Benefits Enrollment" link. I will be Medicare eligible next July and will enroll in Medicare. I am currently on the CDHP plan. Do I need to change my plan during Annual Enrollment, or will that be a special qualifying event in July?