NOTE: Skip ahead to Payment Method section and complete the form. You don't need to complete Distribution.Learn more about your retirement plan and what it offers. Then, complete line 3 of Form W-4P and submit the form to your payer. Note. How do I enroll in a SDO? If you decide that a SDO is the right choice for you, you must complete and sign the attached Self-Directed. DEFERRAL applications must be completely filled out. If not, your application will be rejected and the Deferral will be denied.