Wiktionary
fills the bill
vb. (en-third-person singular of: fill the bill)
Usage examples of "fills the bill".
I need someone and he fills the bill because his taking-off will cause a stir, especially in the way I have managed it, without in any serious way depriving the world of a useful human creature.
There's only one animal that fills the bill, and I'd like your authority to catch one and train it.