4. Section 2 of the Principal Act is amended—
(a) by omitting “, or his father, brother, son, partner or assistant—” and substituting “, his or her partner, assistant or near relative—”; and
(b) by adding at the end the following subsection:
“(2) In subsection (1)—
‘near relative', in relation to a person, means a spouse, parent, child, brother or sister of the person.”.