A speech-language pathologist who employs or otherwise uses the services of a speech-language pathology assistant shall:
(1) Be responsible for the extent, type and quality of services provided by each speech-language pathology assistant supervised by the speech-language pathologist;
(2) Ensure that persons who receive services from a speech-language pathology assistant receive prior notification that services are to be provided by a speech-language pathology assistant; and
(3) Verify that the speech-language pathology assistant is certified under ORS 681.360. [2001 c.626 §7]