The Child Support(Northern Ireland) Order 1991

2.  The Department of the Environment or the Northern Ireland Housing Executive, as the case may be, shall, at the request of the Department, give to the Department such relevant information in connection with any housing benefit to which an absent parent or person with care is entitled as the Department considers necessary in connection with the Department’s determination of—

(a)that person’s income of any kind;

(b)the amount of housing costs to be taken into account in determining that person’s income of any kind; or

(c)the amount of that person’s protected income.