Dual criminality is required. A request for ordering and performing the investigative measure shall comprise a copy, a certified copy or a photostat copy of the order of the competent authority. If this is not a court order, the authority requesting judicial assistance shall present a statement explaining that the prerequisites required for such measures are met under the law applicable in the requesting State.
There shall be compliance with a request for judicial assistance which requires a procedure that differs from Austrian laws on criminal procedure, if this is compatible with the criminal procedure and its principles.