A. Permit Required. Notwithstanding any other provision of this article, a building permit shall be required for a temporary sign, pennant, banner, ribbon, streamer or spinner, other than one that contains a political, ideological or other noncommercial message. The permit application shall specify the dates being requested for authorized installation and the proposed location.
B. Area.
1. The combined sign area of temporary signs shall not exceed two square feet for each foot of street frontage.
2. The combined sign area of temporary signs, when placed upon a window and any other window signs shall not exceed a maximum of ten percent of the window area.
C. Time Limit.
1. Temporary signs that require a permit shall be removed within 30 days of installation and shall not be reinstalled for a period of 30 days of the date of removal of the previous sign. The installation of temporary signs shall not exceed a total of 90 days in any calendar year.
2. Temporary signs that do not require a permit shall be removed within 30 days of the date of installation of the sign.
D. Location. Temporary signs, including those that do not require a building permit, may be tacked, pasted or otherwise temporarily affixed to windows and/or on the walls of buildings, barns, sheds or fences.
E. Construction. Temporary signs may contain or consist of posters, pennants, ribbons, streamers or spinners. Temporary signs may be made of paper or any other material. If the temporary sign is made of cloth, it shall be flameproofed when the aggregate area exceeds 100 square feet. Every temporary cloth sign shall be supported and attached with stranded cable of 1/16-inch minimum diameter or by other methods as approved by the Department of Building and Safety.