I-8, r. 9 - Code of ethics of nurses

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16. In addition to the circumstances contemplated by section 54 of the Professional Code (chapter C-26), a nurse shall refrain from practising her or his profession when she or he is in a state that is liable to impair the quality of care and services.
In particular, a nurse is in a state that is liable to impair the quality of care and services if she or he is under the influence of alcoholic beverages, drugs, hallucinogens, narcotic or anesthetic preparations or any other substance which may cause intoxication, a diminution or disruption of the faculties or unconsciousness.
O.C. 1513-2002, s. 16.