Article 320 — — Rights Acquired Under Repealed Laws.

1) Unless otherwise expressly provided to the contrary, legal situations created prior to the coming into force of this Code shall remain valid notwithstanding that this Code modifies the conditions under which such situations may be created. 2) Unless otherwise expressly provided to the contrary, this Code shall not change effects arising out of legal situations created under the repealed law prior to the coining into force of this Code.