Schedule 3 to the Principal Act is amended in Rule 1 of Part 4 by substituting the following for paragraph (5):

"(5)

(a) the weekly value of any benefit or privilege, calculated in the manner that may be prescribed, enjoyed by the person, who has not attained the age that may be prescribed, by virtue of residing with a parent or step-parent, and

(b) the weekly value of any benefit or privilege, other than benefit or privilege under paragraph (a), enjoyed by the person.".