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; and - precise information for the purpose of identifying the person to be checked. 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, the person can consent or refuse to undergo a DNA test. However, in case of refusal, DNA sample can be taken where the person has a direct link with the commission of the offence and where such offence is punished of a maximum of at least 2 years of imprisonment. Detention of the person during the time necessary for carrying out the measure, but no longer than four hours, unless in custody on other grounds. Written report on the measures taken.
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.