5 The operator of an approved shooting range shall ensure that the discharge of firearms on the shooting range does not endanger the safety of persons at the shooting range or in the portion of the surrounding area described in paragraph 3(2)(a), by taking appropriate measures, including ensuring that
(a) the design and operation of the shooting range
(i) is such that projectiles discharged from firearms will not leave the shooting range if they are discharged there in accordance with the safety rules, and
(ii) promotes the safety of all persons on the shooting range, including by accommodating any adaptation that may be appropriate given the nature of the shooting activities that may take place and the type and calibre of firearms that may be used there;
(b) the shooting range has an adequate warning system to warn persons that they are entering a shooting range and to inform them, when such is the case, that shooting activities are taking place at that time;
(c) appropriate safety rules for the shooting range are applied that are consistent with the nature of the shooting activities that may take place and the type and calibre of firearms that may be used there;
(d) the safety rules are posted in a conspicuous place on the shooting range; and
(e) if more than one person is simultaneously engaged in shooting activities on the shooting range, a person acts as the range officer.
<https://www.laws-lois.justice.gc.ca/eng/regulations/sor-98-212/page-1.html#h-1020324>