Any person may apply to the High Court or the family court for one or more of the following declarations in relation to a civil partnership specified in the application—
a declaration that the civil partnership was at its inception a valid civil partnership;
a declaration that the civil partnership subsisted on a date specified in the application;
a declaration that the civil partnership did not subsist on a date so specified;
a declaration that the validity of a dissolution, annulment or legal separation obtained outside England and Wales in respect of the civil partnership is entitled to recognition in England and Wales;
a declaration that the validity of a dissolution, annulment or legal separation so obtained in respect of the civil partnership is not entitled to recognition in England and Wales.
Where an application under subsection (1) is made to a court by a person other than a civil partner in the civil partnership to which the application relates, the court must refuse to hear the application if it considers that the applicant does not have a sufficient interest in the determination of that application.