The basic principles
Child support maintenance: supplemental provisions8.
(1)
Where—
(a)
there is more than one person with care of a qualifying child; and
(b)
one or more, but not all, of them have parental responsibility for the child;
no application may be made for a F1maintenance calculation with respect to the child by any of those persons who do not have parental responsibility for the child.
(2)
Where more than one application for a F2maintenance calculation is made with respect to the child concerned, only one of them may be proceeded with.
(3)
The Department may by regulations make provision as to which of two or more applications for a F3maintenance calculation with respect to the same child is to be proceeded with.