1. An owner of a common wall may use it for the purpose for which it was designated, and may place beams on it to support the roof, without overloading the wall. 2. If the common wall is no longer suitable for the purpose for which it was designated, the costs of its repair or renewal shall be borne by the co-owners in proportion to each of their shares therein.
Interpretation and application must be checked against the official text and current version.