6.—(1) Where the Department is informed of the death of a qualifying child with respect to whom an application for a maintenance calculation has been made or has been treated as made, it shall—
(a)proceed with the application as if it had not been made with respect to that child if the Department has not yet made a maintenance calculation;
(b)treat any maintenance calculation already made by the Department as not having been made if the relevant persons have not been notified of it and proceed with the application as if it had not been made with respect to that child.
(2) Where all of the qualifying children with respect to whom an application for a maintenance calculation has been made have died, and either the calculation has not been made or the relevant persons have not been notified of it, the Department shall treat the application as not having been made.