There are specific rules that apply to issuing and completing the Record of Employment (ROE) for commission employees who are paid by commission only. Explain how to complete Blocks 6, 12, 15B and 15C on a commission-only paid employee's ROE. Pls help me to answer this question . Thanks

The employee is on commission basis, For completing Record of employment , explain how to complete Blocs 6, 12,15B and C in the Tax Form. Thanks.