Higher Education (Freedom of Speech) Bill

My Lords, like the noble Baroness, Lady Smith of Newnham, I would be grateful for guidance from someone as to how often one is to redeclare interests in the course of Committee. Should one do it in every group that one speaks on? I am sure there is an answer and that this is just my ignorance. I gather that it is once, but is it once a day or once in Committee in total? I have done it today.