(1) When any person shall usurp, intrude into, or unlawfully hold or exercise any public office, or any franchise within the Virgin Islands, or any office in a corporation, either public or private, created or formed by or under the authority of the Virgin Islands; or,
(2) When any public officer has done or suffered an act to be performed which, by the provisions of law, makes a forfeiture of his office; or,
(3) When any association or number of persons acts within the Virgin Islands as a corporation without being duly incorporated.