Rule 1. All meetings of the City Council shall be held at City Hall located at 2525 Circle Drive, Scottsbluff, Nebraska, except as herein provided. In the event the City Council shall determine that an emergency or public convenience or necessity require that a public meeting of the City Council be held elsewhere than in City Hall, the meeting may be held in any place designated by the City Council. Such place may be inside or outside the corporate limits of the city. Such place shall be accessible to the public and to handicapped persons. Any determination that public convenience or necessity so require, and the designation of the place of the meeting to be held pursuant to such determination, shall be made by the City Council at a meeting held no less than three days prior to the meeting to be held elsewhere than in City Hall. Every determination of such an emergency or of public convenience or necessity shall include a statement of the grounds and the designation of the place shall include the street address of the building and identify the room in which the meeting is to be held. Executive sessions of the City Council which are authorized by law may, in the discretion of the City Council, be held in any room in City Hall in which the City Council is meeting.