1. Performance Improvement Plan: Detailed plan outlining specific steps for improvement, to be included when providing structured guidance for complex performance issues

2. Available Support Resources: Information about counseling, training, or other support services, included when company offers such assistance

3. Union Representative Notice: Reference to union notification or rights, required if employee is under collective bargaining agreement

4. Rebuttal Rights: Information about the employee's right to provide a written response, included when company policy allows for formal rebuttals

5. Administrative Leave Notice: Details of any immediate administrative leave pending investigation, included if applicable to the situation

1. Previous Warning Letters: Copies of previous verbal or written warnings issued to the employee

2. Incident Reports: Documentation of specific incidents mentioned in the warning letter

3. Relevant Company Policies: Excerpts from employee handbook or company policies pertaining to the violations

4. Performance Records: Relevant performance evaluations or incident documentation

5. Witness Statements: If applicable, statements from witnesses or affected parties regarding the violation