20. Certain restrictions on the use of registered premises.
(1) The registered proprietor of registered premises shall not set up or maintain in or outside such premises any attraction (other than the mere carrying on of his business of bookmaking) which causes or encourages or is likely to cause or encourage persons to congregate in or outside such premises.
(2) The registered proprietor of registered premises shall not permit overcrowding or loitering in such premises.
(3) The registered proprietor of registered premises shall not proclaim or announce or permit any other person to proclaim or announce in such premises to the persons there present the terms or odds on or at which he is willing to take bets in relation to any particular race, match, or other contest, or in respect of any competitor in any such contest.