- valid identity card for Luxembourg nationals, valid passport for foreign nationals
- recent certificates of residence and unmarried status certificate for each of the partners attesting that they have a common legal residence
- a declaration on honor, signed by the partners either before the registrar or before a notary, that there is no family relationship or alliance between them that would constitute a legal impediment to register the partnership
- proof of their civil status by a recent full copy of their birth certificate
divorcees:
- a full copy of the dissolved marriage certificate bearing mention of the divorce or a full copy of the divorce transcript
widows:
- death certificate of the deceased or birth certificate of the deceased spouse bearing mention of the death
people who do not have a birth certificate from a Luxembourg municipality:
- a certificate stating that neither of the two persons has registered another partnership with another person. This certificate can be requested from the: Cité judiciaire, Bât. CR, Parquet Général, Service du répertoire civil, L-2080 Luxembourg (T. 47 59 81-341)
people who have already entered into a partnership before 1 November 2010:
- a recent certificate from the civil registry recording the dissolution of the declared partnership
- foreign nationals: certificate by the competent foreign authority stating that they are not engaged in a partnership or other form of life community contracted abroad. Absence this document: a certificate of custom issued by the competent foreign authorities according to which the persons fulfill the conditions for entering into a marriage under the law of their country of origin and that this legislation does not provide for a partnership or similar life community
- if applicable: proof of the existence of an agreement dealing with property effects.
All foreign documents must be translated into French, German or English by a sworn translator (contact information T. 47 59 81-335), authenticated if necessary, if they do not come from a country that has ratified the Hague Convention of 5 October 1961.