ELM 55 - Employee and Labor Relations Manual - Contents 572 Coverage 572.1 Employees Covered 572.11 Social Security Employees covered for Social Security include: Casual employees. Temporary employees. Subs..." /> ELM 55 - Employee and Labor Relations Manual - Contents 572 Coverage 572.1 Employees Covered 572.11 Social Security Employees covered for Social Security include: Casual employees. Temporary employees. Subs..." />