D.C. Mun. Regs. tit. 17, r. 17-7313
An occupational therapy assistant shall exercise sound judgment and provide adequate care in the performance of duties in accordance with nationally recognized standards of practice while treating patients or supervising the treatment of patients.
An occupational therapy assistant supervising a student, an occupational therapy aide, or a person authorized to practice under supervision shall be responsible for all of the student's, aide's, or authorized person's actions performed within the scope of practice during the time of supervision and shall be subject to disciplinary action for any violation of the Act or this chapter by the person supervised.
An occupational therapist supervising an occupational therapy assistant who supervises a student, an occupational therapy aide, or a person authorized to practice under supervision shall be responsible for the actions of all supervised persons.
D.C. Mun. Regs. tit. 17, r. 17-7313