- - Contents ELM Revision: Annual and Sick Leave Effective September 30, 2023, the Postal Service™ will revise the Employee and Labor Relations Manual (ELM), parts 512 (“Annual Leave”) and 513 (“Sick Leave..." /> - - Contents ELM Revision: Annual and Sick Leave Effective September 30, 2023, the Postal Service™ will revise the Employee and Labor Relations Manual (ELM), parts 512 (“Annual Leave”) and 513 (“Sick Leave..." />