(2) ORS 675.210 to 675.340 do not apply to:
(a) Employment as an occupational therapist or occupational therapy assistant in an institution or an agency of the federal government.
(b) Persons licensed under any other law of this state to do any acts included in the definition of occupational therapy in ORS 675.210 or persons working under the direction of any such person.
(c) The practice of occupational therapy which is incidental to the planned program of study for students enrolled in an occupational therapist or occupational therapy assistant program approved by the board. [1977 c.858 §§2,3; 1981 c.250 §2]