It guides decision-making to ensure that a place`s heritage values are maintained and is an essential tool for managing cultural heritage sites with complex needs or that are in the process of adaptation and change. We assess the impact of each application on the heritage values of the site concerned and may ask you for further information to complete the assessment. If you receive an exemption certificate, you must meet the specific conditions described in the certificate. A Conservation Management Plan (CMP) guides the conservation and management of cultural heritage. Inheritance contracts are usually listed on the title of the property and are binding on their owner. .