Section 6: Procedure where entry not obtainable.

If entry to such a place cannot be effected under section 5 it shall be lawful in any such case as is thereinmentioned for such person acting under a warrant of arrest or such person acting under a warrant of arrest or such constable having authority to arrest to enter such place and search therein and, in order to effect entrance into such place, to break open any outer or inner door or window of any house or place, whether that of the person to be arrested or of any other person, if after notification of his authority and purpose, and demand of admittance duly made, he cannot otherwise obtain admittance. Power to break open doors and windows for purposes of liberation.