An offence against a law of a State is taken, for the purposes of this Act, to be a State offence that has a federal aspect:

(a) in a case where the offence is being investigated by the Australian Federal Police—if it would be taken to be a State offence that has a federal aspect under section 4AA of the Australian Federal Police Act 1979 ; and
(b) in a case where the offence is being investigated by the Australian Crime Commission—if it would be taken to be a State offence that has a federal aspect under section 4A of the Australian Crime Commission Act 2002 ; and
(c) in any other case—if it would be taken to be a State offence that has a federal aspect if either of the sections referred to in paragraphs (a) and (b) were to apply.