No court of the state of New Jersey nor any judge or judges thereof shall issue a temporary or permanent injunction in any case involving or growing out of a labor dispute, as herein defined, except after hearing the testimony of witnesses in open court (with opportunity for cross-examination) in support of the allegations of a complaint made under oath, and testimony in opposition thereto, if offered, and except after findings of all the following facts by the court or judge or judges thereof:
Such hearing shall be held after due and personal notice thereof has been given, in such manner as the court shall direct, to all known persons against whom relief is sought; provided, however, that if a plaintiff shall also allege that unless a temporary restraining order shall be issued without notice, a substantial and irreparable injury to plaintiff's property will be unavoidable, then in that case a temporary restraining order may be issued; provided, the plaintiff presents oral testimony under oath sufficient to justify the court in issuing a temporary injunction upon a hearing after notice.
Such temporary restraining order shall be effective for no longer than 5 days, and at the expiration of said 5 days shall become void.
No temporary restraining order or interlocutory injunction or permanent injunction shall be allowed, except upon condition that plaintiff shall first file with the court a bond or undertaking, in favor of the person or persons enjoined or restrained, in an amount to be fixed by the court issuing the restraining order or injunction, sufficient to secure to the person or persons enjoined their court costs, attorney and counsel fees taxed against the plaintiff, in the event that the injunctive relief sought is subsequently denied by the court or in the event that the order or judgment granting such injunctive relief is thereafter reversed by an appellate court.
N.J.S. § 2A:15-53