INCAPACITY DEFINED

For purposes of Rules 18 through 24, the term “incapacitated” shall include (a) suffering from mental or physical illness of such nature as to render the person afflicted incapable of managing himself, his affairs or the affairs of others with the integrity and competency requisite for the proper practice of law; or (b) habitual use of alcoholic beverages, or liquids of any alcoholic content, hallucinogens, sedatives, drugs, narcotics or other mentally or physically disabling substance of any character whatsoever to any extent which impairs or tends to impair the ability to conduct efficiently and properly, the affairs undertaken for a client in the practice of law.