CHAPTER FOUR—PROTECTION AND PROMOTION OF FUNDAMENTAL AND OTHER HUMAN RIGHTS AND FREEDOMS.
Human rights and freedoms during a state of emergency.
47. Detention under emergency laws.
(a) he or she shall, within twenty-four hours after the commencement of the restriction or detention, be furnished with a statement in writing specifying the grounds upon which he or she is restricted or detained;
Rights during investigation - informed of belief that crime has been committed
EDIT.