* § 6739. Duties of physical therapist assistants and the use of title "physical therapist assistant". Only a person certified or otherwise authorized under this article shall participate in the practice of physical therapy as a physical therapist assistant and only a person certified under this section shall use the title "physical therapist assistant". * NB Effective until February 17, 2024 * § 6739. Duties of licensed physical therapist assistants and the use of title "physical therapist assistant". Only a person licensed or otherwise authorized under this article shall participate in the practice of physical therapy as a licensed physical therapist assistant and only a person licensed under this section shall use the title "physical therapist assistant". * NB Effective February 17, 2024