In this part—
"relevant parentage register" —
(a) for an event that is an adoption or a discharge of an adoption—means the adopted children register; or
(b) for an event that is a transfer of parentage under a cultural recognition order or a discharge of a transfer of parentage under a cultural recognition order—means the cultural recognition register; or
(c) for an event that is a transfer of parentage under a parentage order or a discharge of parentage under a parentage order—means the parentage order register.