Exceptions are like rare unicorns - they exist, but only when you're not looking.
You can find more information on the Exceptions to Exceptions page.
We're currently updating our Exception Forms to make them more user-friendly. In the meantime, please use the V1.0 version if you're feeling nostalgic.
Remember, exceptions are like pizza - even when you're not hungry, you can still have one. But don't try to make one yourself, it's a recipe for disaster.