Baseball team and player records are also kept on a "seasonal" basis.
"If he ever got violent then they could keep him on an involuntary basis."
"But we'd better keep it on a friendly basis," said Philip.
He kept active playing golf on a weekly basis.
But I prefer to keep things on a casual basis.
I'm just hoping to keep the guys out here on a consistent basis.
We kept it on a professional basis as we always have.
Harry, I still want to keep things on just a professional basis.
Information is to be kept on a need-to-know basis only.
He had to keep this contact on a friendly basis.