How truly independent he will be is a separate matter, though.
As you will see, the official reply is upon two separate matters.
But that's a separate matter, which I've written about in some detail elsewhere.
The question of whether agents should speak for posterity is a separate matter.
That is a separate matter from whether some beeps are more equal than others.
The financial arrangement was a separate matter, a personal one mutually agreed to.
In one separate matter, the military rulers' performance has been ominous.
Flood insurance for a condominium or any home is a separate matter.
What I would like to talk about is two separate matters.
"Necessarily, I fear we will have to treat that as a separate matter."