30 Injunctions to restrain persons from acting in offices in which they are not entitled to act.E+W
(1)Where a person not entitled to do so acts in an office to which this section applies, the High Court may—
(a)grant an injunction restraining him from so acting; and
(b)if the case so requires, declare the office to be vacant.
(2)This section applies to any substantive office of a public nature and permanent character which is held under the Crown or which has been created by any statutory provision or royal charter.