Under the EIO Directive : Luxembourg authorities comply with the formalities and procedures expressly indicated by the issuing authority unless such formalities and procedures are not contrary to the fundamental principles of Luxembourg Law. Besides the grounds of non-recognition/execution provided under art. 11 Directive 2014/41/EU, recognition and execution might be refused where the measure would be contrary to the fundamental principles of Luxembourg Law.
Under MLA instruments, to be requested by international letters rogatory. Contents: - an indication of the authority making the request; - a summary of the facts; - an indication of the criminal conduct under investigation; - the object of and the reason for the request; - precise information for the purpose of identifying the person to be examined; and - a concise indication of the expert’s mission, in particular as to the problems to be solved and the questions to be answered. Execution of the measure in conformity with the procedure applicable in the requesting State : possible as a matter of principle; to be assessed on a case by case basis. Relevant formalities to be expressly indicated in the request.
Irrespective of the statutory basis, possibility for the person concerned to appoint a counter expert of his choice, as well as to request an own expert’s opinion on the facts he wants to be examined. Written expert’s report.
Assistance or participation of agents of the requesting State in the execution of the measure: Possible as a matter of principle, to be assessed on a case-by-case basis.