The Diocesan Council shall have the care of Church property not occupied or used by a Parish or Mission, and shall protect the same from loss or damage, for the benefit of the Church in this Diocese; and shall keep a record of such properties and of the Corporations and Institutions of the Church in this Diocese holding property, the title to which is not vested in the Diocese. The Annual report of the Diocesan Council shall contain a statement showing the property in its charge.