Art. 18

¹Rights to create a right in rem that were established before this Code comes into force are recognised as valid provided they correspond to the form required by the former or the new law.

²The ordinance on maintaining the land register determines what documentary proof is required for the registration of such rights.

³The scope of a right in rem established before this Code comes into force by a legal transaction remains recognised under the new law, provided it is compatible with the same.