A mention is made in the margin of each partner’s birth certificate of the declaration of civil solidarity pact, indicating the identity of the other partner. For foreign nationals born abroad, this information is recorded in a register held at the central civil status department of the Ministry of Foreign Affairs. The existence of amending agreements is subject to the same publicity.
The civil solidarity pact does not take effect between the parties until it is registered, which confers a date certain. It may only be relied on as against third parties from the day on which the publicity formalities are completed. The same applies to amending agreements.