- Summonings will be practically executed in writing (letter not postcard), fax, telegramm, orally or telephone.
- Witnesses are obliged to appear and to testify. In some special cases set out in the law the witnesses have the right to deny to testify.
- The suspect /person accused has to be summoned in writing, thus by letter or fax. Summoning of suspects and accused persons shall contain the relevant facts of the case. Furthermore information should be provided under which conditions legal advice can be taken or has to be provided. Summonings of suspects and accused persons shall not contain the threat of coercive measures. The summoning has to be provided in a language the person concerned can understand if there are indications that he does not understand the language of the issuing state. For Member States for which the 2000 MLA Convention applies: If the summoning is sent via the public prosecution office, it has to be set out which of the cases of Article 5 par.2 of the 2000 MLA Convention applies. A request for the service of the summons on an accused person should be received by the German authorities, at the latest one month before the date set for the appearance of the accused person. If it is received later, the execution can be denied (German Declaration to the MLA Convention 1959).
- Minors/infants (under 14 years) are summoned via legal representatives. Juvenile witnesses (under 18 years) can be summoned personally.