(1) In addition and without prejudice to any provision of this Act permitting the registered proprietor of registered premises to employ clerks and assistants, it shall be lawful for a licensed bookmaker to employ any person as his assistant provided the following provisions are complied with, that is to say: -
(a) the person so employed was employed as his clerk or assistant on the 1st day of March, 1931, or is of or over the age of eighteen years, and
(b) such person acts as assistant to such licensed bookmaker only in either the personal presence of such licensed bookmaker or in registered premises of which such licensed bookmaker is the registered proprietor, and
(c) the remuneration of such person is not wholly or partly dependent on or calculated by reference to the amount of business done or profits made by such licensed bookmaker, and
(d) such person does not do for or on behalf of or as assistant to such licensed bookmaker any act the doing of which would render such person li
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