How do you demonstrate that? Basically, you would be showing how you are helping a sufficient segment of the public with your activities, and for most charities it's actually very simple to demonstrate it. If you're a food bank and you're handing out food to people who can't afford it, we can all understand how that would be beneficial to a segment of the public, and that's not really that hard.
On May 8th, 2012. See this statement in context.