Ottawa : Règlement no 2016-326, art. 119(a) — Permanent Signs on Private Property By-law

only static alphanumeric text and images are permitted, with no scrolling text or any flashing text, characters, images, video or audio;

• (b) except where otherwise specified in this by-law, the minimum dwell time is 20 seconds for alphanumeric text, an image or an alphanumeric text and image, where permitted;
• (c) there is a maximum transition time of one second between messages;
• (d) any portion of the sign has a maximum luminance of 5,000 cd/m between sunrise and sunset, and 220 cd/m between sunset and sunrise, where sunrise and sunset times are determined according to the National Research Council of Canada Sunrise/Sunset Calculator;
• (e) the controlled display areas are programmed by an automatic sensor so as to display brightness of no more than 3 LUX above ambient light conditions; and
• (f) time and temperature displays may be updated as required.