55. The city may, by by-law, in respect of the park concerned,(1) establish rules governing the protection and preservation of the natural environment and its elements;
(2) determine the extent to which and the purposes for which the public is to be admitted;
(3) prescribe the conditions on which a person may stay, travel or engage in an activity in the park;
(4) prohibit or regulate the carrying and transport of firearms;
(5) prohibit or regulate the use or parking of vehicles;
(6) prohibit the transport and possession of animals or prescribe the conditions with which a person having custody of an animal must comply;
(7) prohibit or regulate posting;
(8) establish rules for maintaining order and for ensuring the cleanliness of the premises and the well-being and tranquility of users;
(9) prohibit certain recreational activities or prescribe conditions governing participation in such activities;
(10) prohibit or regulate the operation of businesses;
(11) determine cases where a person may be kept out or expelled; and
(12) determine powers and obligations of employees.