(1) In the exercise of a power under this Division to restrain an individual, the officer:
(a) must not use more force, or subject the individual to greater indignity, than is reasonably necessary to exercise the power; and
(b) must not do anything likely to cause the individual grievous bodily harm unless the officer believes on reasonable grounds that doing the thing is necessary to protect life or prevent serious injury to the individual or another individual (including the officer).
(2) In this regulation:
"officer " includes an individual assisting the officer.