121(4) 122The provisions of subsection (1) shall not apply to:131(a) 132Any common carrier transporting ether into this state or within the boundaries of this state by air, highway, railroad, or water;
153(b) 154Any contract or private carrier transporting ether on highways into this state or within the boundaries of this state by motor vehicle when such contract or private carrier is engaged in such transport pursuant to certificate or permit, by whatever name, issued to them by any federal or state officer, agency, bureau, commission, or department;
209(c) 210Pharmacists, for use in the usual course of their professional practice or in the performance of their official duties;
229(d) 230Medical practitioners, for use in the usual course of their professional practice or in the performance of their official duties;
250(e) 251Persons who procure ether for disposition by or under the supervision of pharmacists or medical practitioners employed by them or for the purpose of lawful research, teaching, or testing, and not for resale;
284(f) 285Hospitals and other institutions which procure ether for lawful administration by practitioners;
297(g) 298Officers or employees of federal, state, or local governments carrying out their official duties; and
313(h) 314Law enforcement agencies of this state or any of its political subdivisions, and the employees thereof, so long as said agencies and employees are acting within the scope of their respective official capacities and in the performance of their duties.