With the approval of the governing body, or when directed by them, institute in the name of the municipality any appropriate action or proceedings to prevent the unlawful erection, construction, reconstruction, alteration, repair, conversion, maintenance, occupancy or use of any building, structure or land in order to restrain, correct or abate such violation, so as to prevent such occupancy or use of any building, structure or land, or to prevent any illegal act, conduct, business or use in or about such premises.