The Bin is for [b]accepted characters[/b]
edit: it's not explicity stated that it's for accepted characters, actually. But it should be e_e

Still, I'm unsure of why you gave him the Mokuton (Wood Release) even when he possesses the Inuzuka's clan techniques. Wouldn't it be easier to just make him an Inuzuka? 

... And theres no explanation nor mention of his Wood Release.