Informed choice and the provision of vocational rehabilitation services require that communications with persons with disabilities are effective and respect the preferences of the individual. DVR staff shall inform each applicant and recipient of services through appropriate modes of communication about the availability of and opportunities to exercise informed choice. Individuals with cognitive or other disabilities who require assistance in exercising informed choice shall be notified that support services are available. Documentation of the process of providing this information and use of appropriate modes of communication shall be included in the service record.