Part of your job as a supervisor is to enforce sick leave policies and procedures. And sometimes, that means taking steps to ensure your employees don’t not to abuse this benefit. So here’s what you need to know. Full-time federal employees accrue sick leave at the rate of four hours per pay period — or 13 days annually. Federal employees can carry over unused sick leave from year to year and there is no limit on how much an employee can accumulate. An employee can take sick leave when he is ill or injured; to care for an injured or ill…