(1)For the purposes of this Part, a person provides health care for another person if he provides it—
(a)at the direction of the other person;
(b)in accordance with, or by virtue of, an agreement or arrangements made by the other person (whether or not with the person providing the health care); or
(c)otherwise on behalf of the other person.
(2)References in this section to the provision of health care include references to its provision jointly with another person.