1114 LAWS OF MARYLAND [CH. 599

(6) The failure to keep records as required by Section
273 [. ]; or

(7) The using of any person to his own advantage; or
revealing, other than to an officer or employee of the State
Department of Health, or to a court when relevant in a
judicial proceeding under this sub-title, any information
required under the authority of Section 273 (e), concern-
ing methods or processes which as a trade secret are
entitled to protection.

272. (Exemptions. ) [(a) Nothing in this sub-title
shall apply unless otherwise indicated by the practitioner,
to the refilling, at any time, of a prescription for: com-
pounds, mixtures, or preparations containing, in addition
to a barbiturate, sufficient quantity of another drug or
drugs to cause the compound, mixture, or preparations to
possess other than an hypnotic or somnifacient action.

(b)] (a) Nothing in this sub-title shall apply to any
compound or mixture or preparation that is intended to be
used as a spray or gargle or a liniment or in any other
way for the external application if such compound, mix-
ture or preparation contains in addition to the barbiturate,
some other drug or drugs rendering it unfit for internal
use, and such compounds or mixtures or preparations shall
be sold in good faith for the purpose for which they are
intended and not for the purpose of evading this sub-title.

[(c)] (b) The provisions of Section 271 (a) (4) shall
not be applicable (a) to the delivery of barbiturates to
persons included in any of the classes hereinafter named,
or to the agents or employees of such persons, for the use
in the usual course of their business or practice or in the
performance of their official duties, as the case may be;
or (b) to the possession of barbiturates of such persons or
their agents or employees for such use:

(1) Pharmacists;

(2) Practitioners;

(3) Persons who procure barbiturates (A) for disposi-
tion by or under the supervision of pharmacists or practi-
tioners employed by them or (B) for the purpose of lawful
research, teaching, or testing and not for resale.

(. 4) Hospitals and other institutions which procure bar-
biturates for lawful administration by practitioners.

(5) Officers or employees of Federal, State or local
Governments.