(1) Service of documents is effected ex officio without the document to be served requiring certification. Service may be effected by posting the document to the address of the addressee for service; section 184 (2) sentences 1, 2 and 4 of the Code of Civil Procedure (Zivilprozessordnung) apply with the necessary modifications. If service is to be effected on domestic territory, the document shall be deemed to have been served three days after posting.
(2) Service shall not be effected on persons whose place of residence is unknown. If such persons have a representative with authority to accept service, service shall be effected on that representative.
(3) The insolvency court may instruct the insolvency administrator to carry out the service of documents pursuant to subsection (1). He/she may use third parties, in particular his/her own staff, for effecting and recording the service of documents. The insolvency administrator shall add the notes made by him/her in accordance with section 184 (2) sentence 4 of the Code of Civil Procedure (Zivilprozessordnung)to the court files without delay.