(a) Nothing in this chapter shall be construed to prevent:
(1) Persons who are licensed to practice podiatry in any other state, district or foreign country from entering this State, as practicing podiatrists, to consult with a podiatrist of this State. Such consultation shall be limited to examination, recommendation and testimony in litigation.
(2) Any student of an accredited school or college of podiatry from receiving practical training under the personal supervision of a licensed podiatrist in this State.
(3) Any person from completing a Council on Podiatric Medical Education-approved hospital residency program in this State.
(4) Any podiatrist or surgeon, commissioned by any of the armed forces of the United States or by the United States Public Health Service, from practicing podiatry on the podiatrist's or surgeon's designated facility in this State.
(5) Any physician licensed in this State from practicing podiatry in this State.
(b) This chapter shall not prohibit the fitting, recommending or sale of corrective shoes, arch supports or similar mechanical appliances by retail dealers or manufacturers. However, no representative of a dealer or manufacturer shall be permitted to medically diagnose, treat or prescribe for any foot or ankle ailment, disease or deformity, unless such person is licensed to practice podiatry in this State.