[Brought you by the magic of the internet (PDF)][link]. Of personal interest to me:
> NO STORIES ABOUT BATMAN’S ORIGIN
If only Hollywood would’ve listened. The document itself is full of reasons why Batman: TAS is still the best Batman-related media outside of the comics-sphere, but the above rings truest to me.
[link]: http://leethomson.myzen.co.uk/Batman/Batman_Writers%27_Guidelines.pdf “Batman: TAS Writer’s Guide”