(1) An application for a parentage declaration may be made to the Supreme Court by—
(a) a parent of a child who claims that another particular person is also a parent of the child; or
(b) a person who claims to be a parent of a particular child; or
(c) a person who claims that a particular person is their parent; or
(d) the registrar-general, or someone else having a proper interest in the matter, if a decision is sought about whether a particular person is a parent of a particular child.