[References to various termsN.I.
10C.—(1) References in this Part to “qualifying children” are to those qualifying children with respect to whom the maintenance calculation falls to be made [or with respect to whom a maintenance calculation in respect of the non-resident parent has effect].N.I.
(2) References in this Part to “relevant other children” are to—
(a)children other than qualifying children in respect of whom the non-resident parent or his partner receives child benefit under Part IX of the Social Security Contributions and Benefits (Northern Ireland) Act 1992; and
(b)such other description of children as may be prescribed.
(3) In this Part, a person “receives” a benefit, pension or allowance for any week if it is paid or due to be paid to him in respect of that week.
(4) In this Part, a person’s “partner” is—
(a)if they are a couple, the other member of that couple;
(b)if the person is a husband or wife by virtue of a marriage entered into under a law which permits polygamy, another party to the marriage who is of the opposite sex and is a member of the same household.
[(5) In sub-paragraph (4)(a) “couple” means—
(a)two people who are married to, or civil partners of, each other and are members of the same household, or
(b)two people who are not married to, or civil partners of, each other but are living together as if spouses of each other.]
(6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]