Marketing and sales activities of Medicare Advantage or managed Medicaid plans do not allow OA. Using a purchased list of email addresses or other types of lists to contact non-members OB. Door-to-door solicitation or leaflet distribution OC. Completing any portion of the enrollment application for a prospective enrollee OD. Requesting any beneficiary identification numbers such as their Social Security number, or their personal contact information OE. All of the above OF.b and d only