When There May Be An Amendment. The regulations, restrictions and boundaries contained in this Chapter may from time to time be amended, supplemented, changed, modified or repealed by the Board of Aldermen either on its own motion or on written application therefore filed with the Zoning Officer on behalf of the Board of Aldermen by the Mayor, any member of the Board, the Commission, the Zoning Officer or by any governmental body or person with a financial, contractual or proprietary interest in the real estate which would be affected by the proposed amendment.