No special meetings shall be held unless the Clerk gives at least twenty-four hours advance notice to the news media that have requested notification. In the event of an emergency requiring immediate official action the persons calling the meeting or the Clerk on their behalf, shall, as soon as possible, notify the news media that have requested notification of the time, place, and purpose of the meeting. All requests from news media requesting advance notification shall be in writing and shall set forth their mailing address and telephone number.