Until an arrangement is made between the Commissioner and the Commissioner of Police (however designated) of a State for the purposes of subsection 8(2), members of the Australian Federal Police may, under this Act, exercise and perform, in relation to a Commonwealth place in that State within the meaning of the Commonwealth Places (Application of Laws) Act 1970 , powers and duties equivalent to the powers and duties that were, before the commencing date, exercised and performed in relation to those places under the Commonwealth Police Act 1957.