(1) A person may discriminate in deciding who is to occupy residential accommodation—
(a) in which the person or a near relative of the person lives and intends to continue to live; and
(b) that is to accommodate no more than 3 people in addition to a person or the near relatives of a person referred to in paragraph (a).
(2) In this section—
"near relative", in relation to a person, means—
(a) a parent or grandparent, child or grandchild (whether or not under the age of 18) or brother or sister of that person; or
(b) the spouse or domestic partner of that person or of a person referred to in paragraph (a).